JOURNAL OF ROCK MECHANICS

Keyword Index

A

ABAQUS Modeling the dynamic behavior of the rock foundation of the Moshampa Dam [Volume 5, Issue 1, 2021, Pages 42-54]
ABAQUS software Numerical modeling of hydraulic fracturing using ABAQUS finite element software and determining the factors affecting the fracture initiation pressure [Volume 7, Issue 1, 2023, Pages 73-83]
ABAQUS software Determination of specific rock cutting forces and energy by numerical simulation of disc cutter performance in a full-section tunneling machine [Volume 1, Issue 3, 2017, Pages 55-66]
ABAQUS software Determining the Optimal Drilling Fluid Pressure for Oil Well Stability Using Geomechanical Modeling in ABAQUS Finite Element Software [Volume 9, Issue 3, 2025, Pages 41-59]
Abrasion Laboratory investigation of cutting tool wear of EPB-TBM machine [Volume 6, Issue 4, 2022, Pages 55-62]
Abrasion Comparison of different methods for assessing the abrasion of soft soils in mechanized tunneling [Volume 1, Issue 3, 2017, Pages 1-16]
Abrasive resistance of stone؛ Bö Predicting the Abrasive Resistance of Building Stones Using Regression Models and Random Forest Algorithm [Volume 8, Issue 1, 2024, Pages 67-82]
Abrasive water jet Numerical modeling of rock cutting using high-pressure water jets [Volume 6, Issue 4, 2022, Pages 34-44]
Abrasivity Effect of Operating Parameters on TBM Disc Cutter Wear [Volume 7, Issue 3, 2023, Pages 31-39]
Acoustic Emission Effect of Loading Rate on the Failure Mechanism of Rocks under Indirect Tensile Loading [Volume 1, Issue 2, 2017, Pages 55-65]
Acoustic Emission The application of acoustic emission methods in the analysis and evaluation of hydraulic fracturing processes. [Volume 7, Issue 3, 2023, Pages 50-59]
Acoustic propagation method Presenting a relationship for finding the thickness of the damaged area caused by tunneling using laboratory tests and numerical methods [Volume 5, Issue 3, 2021, Pages 33-43]
Acoustic signal analysis Investigating the relationship between fundamental frequencies produced by rotary drilling and the physical and mechanical properties of carbonate rocks [Volume 5, Issue 2, 2021, Pages 63-72]
Acoustic Signals Acoustic Signal Processing During Drilling and Penetration Rate Analysis for Developing an Empirical Model to Predict the Mechanical Properties of Hard Rocks [Volume 7, Issue 4, 2023, Pages 17-25]
Action pressure Application of ductile anchors in inverts of hydraulic structures [Volume 6, Issue 4, 2022, Pages 10-18]
Active fault Design and optimization of tunnel lining at the intersection of Sardasht water transmission tunnel with the Zirmarg active fault [Volume 7, Issue 4, 2023, Pages 1-15]
Air Deck Investigating the effect of air deck length on fragmentation caused by blasting in Nardaghi limestone mine [Volume 9, Issue 1, 2025, Pages 1-10]
Amirkabir underpass tunnel Numerical Modeling of Surface Subsidence during Excavation Sequences in the New Austrian Tunneling Method [Volume 7, Issue 1, 2023, Pages 85-106]
Analytical and empirical methods Assessment of Empirical and Analytical Methods for the Estimation of Water Intake into the Section 2 of Zagros Tunnel, Kermanshah, West Iran [Volume 9, Issue 3, 2025, Pages 1-21]
Analytical model Evaluation of analytical models for estimating cement slurry volume in jointed rock with an insight into injection results in the Seimare and Talwar dams [Volume 1, Issue 3, 2017, Pages 27-37]
Analytical Solution Numerical Validation of Seismic Analytical Solutions of Circular Tunnels (Case Study: Tehran Metro Line 6) [Volume 1, Issue 2, 2017, Pages 9-27]
ANFO Numerical Investigation of Rock Mass and Explosive Properties on Blast Damage in Rock Slopes [Volume 1, Issue 4, 2017, Pages 11-22]
Anisotropic behavior Providing a Unified Anisotropic Behavioral Model for Simulating the Behavior of Soft Rocks [Volume 8, Issue 1, 2024, Pages 37-49]
Arching Effect An analytical method based on stress arching theory for stabilization of soil slopes using a single row of piles [Volume 8, Issue 4, 2024, Pages 15-25]
Artificial Neural Network Prediction and Optimization of Rock Fragmentation Induced by Blasting Using Hybrid Soft Computing Methods in the Narbaghi Copper Mine [Volume 7, Issue 4, 2023, Pages 41-55]
Artificial neural network (ANN) The Estimation of TBM Penetration Rate using Artificial Neural Network Optimized with Particle Swarm Optimization and Firefly Algorithms, Case Study: Tabriz Metro Line 2 [Volume 9, Issue 1, 2025, Pages 47-60]
Artificial neural network (ANN) Optimizing Blast-Induced Ground Vibration Reduction Using an Integrated ANN-EOA Model: A Case Study of Sarcheshmeh Copper Mine [Volume 9, Issue 2, 2025, Pages 17-27]
Artificial neural network (ANN) Machine Learning-Driven Prediction of TBM Penetration Rate in Pyroclastic Formations of the Alborz Mountains, Iran: Integrating LMR, ANN, and C&R Tree Models [(Articles in Press)]

B

Bakhtiari Dam Estimating the rock mass deformation modulus using the statistical and artificial intelligence models [Volume 8, Issue 2, 2024, Pages 35-62]
Basalt powder Investigating the feasibility of using basalt powder instead of cement in two-component backfilling grout in mechanized tunneling [(Articles in Press)]
Bearing Capacity Reliability Analysis of Bearing Capacity of Foundations on Rock Masses Using Monte Carlo Method [Volume 1, Issue 1, 2017, Pages 11-23]
Bearing Capacity Determination of Geomechanical Parameters and Allowable Bearing Capacity of the Rock Foundations of Surface Crude Oil Tanks in Khark Island [Volume 1, Issue 2, 2017, Pages 41-53]
Bearing Capacity Experimental Investigation of Biological Injection for Enhancing Bearing Capacity of gravel Columns [Volume 8, Issue 2, 2024, Pages 89-99]
Bifurcation intersection Numerical Modeling of the Stability of Intersection Resulted from Slope Tunnel and Access Tunnel in Tabas Coal Mine [Volume 7, Issue 3, 2023, Pages 1-13]
Bimrocks The Influence of Shear Parameters of Matrix-Blocks Interface on Bimslope Stability [Volume 5, Issue 1, 2021, Pages 10-18]
Bio injection Experimental Investigation of Biological Injection for Enhancing Bearing Capacity of gravel Columns [Volume 8, Issue 2, 2024, Pages 89-99]
Blade dilatometer Design, construction and implementation of the first in-situ test of a blade dilatometer equipped with a vibration-sensitive electronic sensor on Line 6 of Tehran Metro [Volume 6, Issue 3, 2022, Pages 1-12]
Blast Investigating the effect of air deck length on fragmentation caused by blasting in Nardaghi limestone mine [Volume 9, Issue 1, 2025, Pages 1-10]
Blast Damage Numerical Investigation of Rock Mass and Explosive Properties on Blast Damage in Rock Slopes [Volume 1, Issue 4, 2017, Pages 11-22]
Blast-Induced Ground Vibration Optimizing Blast-Induced Ground Vibration Reduction Using an Integrated ANN-EOA Model: A Case Study of Sarcheshmeh Copper Mine [Volume 9, Issue 2, 2025, Pages 17-27]
Blasting method Investigating the effect of mechanized and blasting excavation methods on the extent of damaged zones of circular tunnels [Volume 6, Issue 3, 2022, Pages 32-38]
Blasting Operations Development of a Mathematical Model for Predicting Blast-Induced Fragmentation Considering Elastic Wave Velocities [Volume 7, Issue 2, 2023, Pages 71-82]
Blast Pattern Prediction and Optimization of Rock Fragmentation Induced by Blasting Using Hybrid Soft Computing Methods in the Narbaghi Copper Mine [Volume 7, Issue 4, 2023, Pages 41-55]
Boreability Locating the Poorkan-Vardij Fault Zone in the Second Lot of Karaj Water Conveyance Tunnel Using Actual TBM Performance and Operational Parameters [Volume 1, Issue 2, 2017, Pages 67-74]
Boreability Analysis of the Effects of Fault Zones on the Boreability Index and TBM Performance in Tunneling Projects (Case Study: Karaj, Ghmroud, Nowsoud, and Kerman Water Conveyance Tunnels) [Volume 9, Issue 3, 2025, Pages 81-96]
Borehole Diameter Study of the Effect of Fracture Fluids Viscosity and Borehole Diameter on Hydraulic Fracturing Breakdown Pressure Using a Newly Developed True Triaxial Apparatus [Volume 1, Issue 2, 2017, Pages 89-98]
Boring machine Operation Locating the Poorkan-Vardij Fault Zone in the Second Lot of Karaj Water Conveyance Tunnel Using Actual TBM Performance and Operational Parameters [Volume 1, Issue 2, 2017, Pages 67-74]
Brazilian tensile strength Experimental Investigation of the Effect of Grain Size on the Mechanical Parameters and Mode I Fracture Toughness of Rock-Like Materials [Volume 8, Issue 2, 2024, Pages 21-34]
Brazilian test Comparison of Indirect Tensile Strength Determination Methods for Samples Ranging from Fine-Grained to Coarse-Grained [Volume 9, Issue 3, 2025, Pages 23-39]
Building stone The correlation between Schmidt hardness index and P-wave velocity with uniaxial compressive strength of carbonate building stones [Volume 5, Issue 1, 2021, Pages 19-28]
Buried pipeline renovation Evaluation of Pipe Bursting operation on Adjacent Underground facilities Using 3D Numerical Analysis [Volume 8, Issue 4, 2024, Pages 89-99]

C

Carbonate reservoir Geomechanical unit Determination using a combination of clustering methods and laboratory test results for the Kangan and Dalan formations in the southern Iranian reservoirs [Volume 7, Issue 3, 2023, Pages 41-49]
Carbonate rocks Investigating the relationship between fundamental frequencies produced by rotary drilling and the physical and mechanical properties of carbonate rocks [Volume 5, Issue 2, 2021, Pages 63-72]
Cementation solution Experimental Investigation of Biological Injection for Enhancing Bearing Capacity of gravel Columns [Volume 8, Issue 2, 2024, Pages 89-99]
Cemented Quasi-Rock Materials Damage detection in cement mortar samples using wavelet transform analysis of non-destructive ultrasonic test results [Volume 8, Issue 4, 2024, Pages 65-87]
Chadormalou Investigating the correlation between geomechanical factors and the displacement rate of the eastern wall of the Chadormalou iron ore mine using fractal modeling [Volume 6, Issue 1, 2022, Pages 39-50]
Chisel Tools Experimental Study on the Performance of Chisel Tools in Cutting Weak to Moderate Rocks [Volume 5, Issue 1, 2021, Pages 29-41]
Closed joint Study of failure of closed non-extension plane and stepped joints using PFC2D software [Volume 6, Issue 1, 2022, Pages 51-62]
Coarse-grained specimens Comparison of Indirect Tensile Strength Determination Methods for Samples Ranging from Fine-Grained to Coarse-Grained [Volume 9, Issue 3, 2025, Pages 23-39]
Co-linearity Determination of the Powder Factor Based on Geomechanical Parameters of Rock Mass (Case Study - Seymareh Dam and Power Plant Project) [Volume 1, Issue 4, 2017, Pages 85-95]
Concentric membranes Development of a concentric-membrane cell for true triaxial stress testing of cylindrical rock samples [Volume 8, Issue 2, 2024, Pages 77-88]
Concrete Application of a new test for in-situ measurement of uniaxial compressive strength of rocks and concrete [Volume 6, Issue 3, 2022, Pages 50-57]
Concrete Experimental and numerical analysis to evaluate the effect of core geometry and size on the uniaxial compressive strength of concrete [Volume 5, Issue 4, 2021, Pages 63-75]
Concrete lining Determination of Longitudinal Deformation Profile for Supported Tunnels (SLDP) Using Numerical Modeling [Volume 1, Issue 1, 2017, Pages 25-33]
Concrete Slab Application of ductile anchors in inverts of hydraulic structures [Volume 6, Issue 4, 2022, Pages 10-18]
Confinement Comparison of fracture of cracked and non-cracked rounded-corner granular materials under uniaxial compressive loading with lateral confinement [Volume 5, Issue 2, 2021, Pages 1-14]
Confining Pressure The Effect of Confining Pressure on the Sand Production in Hydrocarbon Reservoirs by Using Discrete Element Method [Volume 1, Issue 1, 2017, Pages 35-42]
Confining Pressure Investigating the Effect of Cutter Edge Shape on Rock Fragmentation Using PFC2D [Volume 1, Issue 2, 2017, Pages 75-88]
Constitutive Model Modeling the Behavior of Frozen Soil Under Freeze/Thaw Cycles with Emphasis on Depth and Temperature Change Rate Parameters [Volume 9, Issue 2, 2025, Pages 29-41]
Construction Model Providing the DAT Innovative Model to Estimate Time and Cost of Tunnel and Updating with the Data Acquired During Excavation [Volume 1, Issue 1, 2017, Pages 69-88]
Controlling Factors Effect of Discrete Fracture Network density on hydraulic fracturing [Volume 8, Issue 3, 2024, Pages 1-10]
Convergence Meter Development of an Adaptive Neuro-Fuzzy Inference System (ANFIS) for Intelligent Prediction of Tunnel Settlement and Evaluation of Predictive Accuracy Based on Convergence Monitoring Data [Volume 9, Issue 3, 2025, Pages 61-79]
Core test Experimental and numerical analysis to evaluate the effect of core geometry and size on the uniaxial compressive strength of concrete [Volume 5, Issue 4, 2021, Pages 63-75]
Correlation coefficient Application of a new test for in-situ measurement of uniaxial compressive strength of rocks and concrete [Volume 6, Issue 3, 2022, Pages 50-57]
Crack Damage detection in cement mortar samples using wavelet transform analysis of non-destructive ultrasonic test results [Volume 8, Issue 4, 2024, Pages 65-87]
Crack growth path Estimation of crack growth path in rock materials under combined loading I/II [Volume 1, Issue 3, 2017, Pages 17-26]
Cracking Comparison of fracture of cracked and non-cracked rounded-corner granular materials under uniaxial compressive loading with lateral confinement [Volume 5, Issue 2, 2021, Pages 1-14]
Crack propagation Numerical modeling of the coarse crack fracture mechanism in disk specimens [Volume 5, Issue 3, 2021, Pages 44-53]
Crack propagation The application of acoustic emission methods in the analysis and evaluation of hydraulic fracturing processes. [Volume 7, Issue 3, 2023, Pages 50-59]
Critical Reynolds Number Estimation of fluid flow behavior pattern in rock mass in Chamshir Dam [Volume 6, Issue 2, 2022, Pages 1-9]
Critical Sliding Failure Modeling of Slide-Head-Toppling Failure Using Limit Equilibrium and Finite Element Methods [Volume 7, Issue 3, 2023, Pages 61-75]
Critical state Integrated perimeter surface model of clay and sand based on the concepts of critical state and general dilation law [Volume 5, Issue 4, 2021, Pages 39-52]
CSTBD Experimental study on temperature effect on the tensile fracture toughness of cement mortars containing micro-silica [Volume 8, Issue 1, 2024, Pages 51-65]
Cumulative oil and gas production Integrated IPM modeling to investigate formation particle control methods in oil reservoirs [Volume 6, Issue 4, 2022, Pages 1-9]
Cutter Edge Shape Investigating the Effect of Cutter Edge Shape on Rock Fragmentation Using PFC2D [Volume 1, Issue 2, 2017, Pages 75-88]
Cutting Tools Laboratory investigation of cutting tool wear of EPB-TBM machine [Volume 6, Issue 4, 2022, Pages 55-62]
Cylindrical punch Controls of various cylindrical punch mandrel diameter on determination of uniaxial compressive strength of some sedimentary rocks of the Qom Formation [Volume 1, Issue 4, 2017, Pages 51-61]

D

Damage area caused by tunneling Presenting a relationship for finding the thickness of the damaged area caused by tunneling using laboratory tests and numerical methods [Volume 5, Issue 3, 2021, Pages 33-43]
Damage stress threshold Application of Numerical Simulation to Estimate Stress Damage Thresholds in Some Types of Sandstones [Volume 8, Issue 1, 2024, Pages 1-21]
Damage zone Investigating the effect of mechanized and blasting excavation methods on the extent of damaged zones of circular tunnels [Volume 6, Issue 3, 2022, Pages 32-38]
DAT Innovative Model Providing the DAT Innovative Model to Estimate Time and Cost of Tunnel and Updating with the Data Acquired During Excavation [Volume 1, Issue 1, 2017, Pages 69-88]
Decision Tree (C&‌R Tree) Machine Learning-Driven Prediction of TBM Penetration Rate in Pyroclastic Formations of the Alborz Mountains, Iran: Integrating LMR, ANN, and C&R Tree Models [(Articles in Press)]
Deformation Analysis The importance of constitutive models on the accuracy and estimation of deep urban depression deformation [Volume 5, Issue 3, 2021, Pages 21-32]
Deformation behavior Investigation of the mechanical behavior of basalt samples with cracks of different numbers and angles under uniaxial compressive stress [Volume 1, Issue 4, 2017, Pages 1-9]
Depth Investigating the effect of in-situ stresses on the seismic response of tunnels [Volume 5, Issue 3, 2021, Pages 54-68]
Diamond segment wear Investigating the effect of lithological properties of granite building stones on the wear of diamond segments of cutting discs [Volume 6, Issue 2, 2022, Pages 10-18]
Direct shear test Investigation of shear behavior of rock sample which have discontinuities system made by 3D printer [Volume 8, Issue 3, 2024, Pages 39-55]
Discontinuity Orientation Determining the Orientation of Discontinuities Using the Drone Photography (A Case Study of the Bench at the 2450 Level of the West Wall of Sarchesheme Copper Mine [Volume 7, Issue 3, 2023, Pages 15-29]
Discontinuity system Investigation of shear behavior of rock sample which have discontinuities system made by 3D printer [Volume 8, Issue 3, 2024, Pages 39-55]
Discrete components The effect of the mechanical parameter distribution (friction angle) of a discrete fracture network on the strength of the rock mass [Volume 5, Issue 3, 2021, Pages 13-20]
Discrete element method (DEM) Experimental and Numerical Investigation of Conventional Methods for Determining Mode I Fracture Toughness of Concrete [Volume 9, Issue 1, 2025, Pages 25-45]
Discrete Elements Method Evaluation of Effective Factors on the Breakage of Granular Materials Using Discrete Element Method (DEM) [Volume 1, Issue 1, 2017, Pages 1-10]
Discrete Fractal Fracture Network (FDFN) Development of a geometric model of a 3D fractal discrete fracture network for tunnel sealing design selection [Volume 9, Issue 2, 2025, Pages 83-99]
Discrete Fracture Network The effect of the mechanical parameter distribution (friction angle) of a discrete fracture network on the strength of the rock mass [Volume 5, Issue 3, 2021, Pages 13-20]
Discrete Fracture Network Effect of Discrete Fracture Network density on hydraulic fracturing [Volume 8, Issue 3, 2024, Pages 1-10]
Discrete fracture network (DFN) Development of a geometric model of a 3D fractal discrete fracture network for tunnel sealing design selection [Volume 9, Issue 2, 2025, Pages 83-99]
Discrete Wavelet transform Damage detection in cement mortar samples using wavelet transform analysis of non-destructive ultrasonic test results [Volume 8, Issue 4, 2024, Pages 65-87]
DISL method Formation of crushed zone around tunnel in mechanized excavation of hard rock mass under high stress and its effect on the selection of mechanized drilling machine type [Volume 6, Issue 4, 2022, Pages 19-33]
Distinct Element Method Slope stability analysis using a distinct element method considering the effects of fluid flow in open pit mines [Volume 7, Issue 4, 2023, Pages 73-88]
Diverting well Optimization of the diverted well path based on the particle swarm optimization method [Volume 6, Issue 2, 2022, Pages 43-51]
Double Shield Universal TBM Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: Emam Zadeh Hashem Tunnel [Volume 1, Issue 2, 2017, Pages 29-40]
Drillability Index Development of drillability index of jointed rock mass based on rock fracture index in drilling with TBM [Volume 5, Issue 3, 2021, Pages 90-104]
Drilling Acoustic Signal Processing During Drilling and Penetration Rate Analysis for Developing an Empirical Model to Predict the Mechanical Properties of Hard Rocks [Volume 7, Issue 4, 2023, Pages 17-25]
Drilling blade Presenting an experimental model for predicting the blade consumption rate of full-section tunnel boring machines (TBM) [Volume 5, Issue 1, 2021, Pages 1-9]
Drilling Vibration Acoustic Signal Processing During Drilling and Penetration Rate Analysis for Developing an Empirical Model to Predict the Mechanical Properties of Hard Rocks [Volume 7, Issue 4, 2023, Pages 17-25]
Drone Photography Determining the Orientation of Discontinuities Using the Drone Photography (A Case Study of the Bench at the 2450 Level of the West Wall of Sarchesheme Copper Mine [Volume 7, Issue 3, 2023, Pages 15-29]
Dual permeability Numerical investigation of flow pattern in a dual permeability environment in the presence of a diagonal fault using the streamline method [Volume 5, Issue 2, 2021, Pages 73-83]
Ductile element Application of ductile anchors in inverts of hydraulic structures [Volume 6, Issue 4, 2022, Pages 10-18]
Ductility Laboratory and numerical investigation of tunnel sections with high ductility concrete (HDC) elements located in squeezing environments [Volume 6, Issue 1, 2022, Pages 63-71]
Dynamic analysis Modeling the dynamic behavior of the rock foundation of the Moshampa Dam [Volume 5, Issue 1, 2021, Pages 42-54]
Dynamic analysis Investigating the effect of in-situ stresses on the seismic response of tunnels [Volume 5, Issue 3, 2021, Pages 54-68]
Dynamic Analyze The dynamic risk analysis for great section tunnels using impact-probability matrix method; A case study of Koohin railway tunnel in Qazvin-Rasht route [Volume 1, Issue 4, 2017, Pages 35-49]
Dynamic compressive strength Presenting the scaling law using laboratory studies on the Sungun Porphyry (SP) rock type [Volume 5, Issue 2, 2021, Pages 36-42]

E

Earth mechanical model Study of the stability of the diverted well wall using a quantitative risk assessment method in one of the fields in southwestern Iran [Volume 5, Issue 2, 2021, Pages 54-62]
Earth Pressure Balance Prediction of penetration rate of EPB TBM machines in soft ground using neuro-fuzzy system (ANFIS) [Volume 7, Issue 2, 2023, Pages 15-27]
ELECTRE multi-criteria decision-making method Selecting the optimal excavation method for the Zarrin Ardakan Yazd railway tunnel using the ELECTRE multi-criteria decision-making method [Volume 5, Issue 2, 2021, Pages 15-25]
Emam Zadeh Hashem Tunnel Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: Emam Zadeh Hashem Tunnel [Volume 1, Issue 2, 2017, Pages 29-40]
Embankment dam with clay core Three-dimensional modeling of stress arching and determination of zones with fracture potential in rock-fill dams in narrow valleys (case study: Lorestan Roodbar dam) [Volume 8, Issue 4, 2024, Pages 1-14]
Empirical Analytical and Numerical Methods Determination of Geomechanical Parameters and Allowable Bearing Capacity of the Rock Foundations of Surface Crude Oil Tanks in Khark Island [Volume 1, Issue 2, 2017, Pages 41-53]
Empirical Methods Prediction of maximum ground surface Subsidence due to longwall mining: a comparative evaluation of empirical equations and statistical and artificial intelligence models [Volume 8, Issue 3, 2024, Pages 11-37]
Empirical relationship Predicting the modulus of deformation of rock masses in southwestern Iran using multivariate linear regression [Volume 1, Issue 1, 2017, Pages 89-96]
Energy absorption Increasing the energy absorption of tunnel lining sections by using High Deformable Concrete elements in squeezing environments [Volume 1, Issue 4, 2017, Pages 75-84]
EPB Effect of some important parameters on soil conditioning [Volume 7, Issue 2, 2023, Pages 1-13]
EPB Investigating the feasibility of using basalt powder instead of cement in two-component backfilling grout in mechanized tunneling [(Articles in Press)]
EPB TBM The Estimation of TBM Penetration Rate using Artificial Neural Network Optimized with Particle Swarm Optimization and Firefly Algorithms, Case Study: Tabriz Metro Line 2 [Volume 9, Issue 1, 2025, Pages 47-60]
EPB-TBM Laboratory investigation of cutting tool wear of EPB-TBM machine [Volume 6, Issue 4, 2022, Pages 55-62]
Equilibrium Optimizer Algorithm (EOA) Optimizing Blast-Induced Ground Vibration Reduction Using an Integrated ANN-EOA Model: A Case Study of Sarcheshmeh Copper Mine [Volume 9, Issue 2, 2025, Pages 17-27]
Evans’s Theoretical Method Experimental Study on the Performance of Chisel Tools in Cutting Weak to Moderate Rocks [Volume 5, Issue 1, 2021, Pages 29-41]
Excavation The importance of constitutive models on the accuracy and estimation of deep urban depression deformation [Volume 5, Issue 3, 2021, Pages 21-32]
Excavation Damaged Zone (EDZ) Numerical investigation of the effect of cross-sectional area and stress intensity on the development of damage zone around tunnels in hard rock mass [Volume 6, Issue 1, 2022, Pages 15-30]
Excavation monitoring The importance of constitutive models on the accuracy and estimation of deep urban depression deformation [Volume 5, Issue 3, 2021, Pages 21-32]
Excessive excavation Design and optimization of tunnel lining at the intersection of Sardasht water transmission tunnel with the Zirmarg active fault [Volume 7, Issue 4, 2023, Pages 1-15]
Expanded Vermiculite Evaluation of the Mechanical Properties of Cement Mortar Containing Expanded Vermiculite Aggregate [Volume 8, Issue 2, 2024, Pages 1-19]
Experimental Model Experimental and numerical analysis to evaluate the effect of core geometry and size on the uniaxial compressive strength of concrete [Volume 5, Issue 4, 2021, Pages 63-75]
Experimental permeability Validation of numerical simulation of fluid flow through rough rock fractures using physical modeling based on 3D printing [Volume 8, Issue 4, 2024, Pages 53-64]
Experimental scale Experimental Study of the Mechanical Properties of Artificial Stones with the Aim of Determining the Optimal Composition of Constituent Materials [Volume 7, Issue 2, 2023, Pages 29-38]
Experimental Tests Comparison of Facture Toughness Values in Single Edge Crack Round Bar Bending Test (SECRBB) and Straight Notch Disk Bend Test (SNDB) for Basalt Rocks [Volume 1, Issue 2, 2017, Pages 1-8]
Extended Finite Element Method Numerical modeling of the coarse crack fracture mechanism in disk specimens [Volume 5, Issue 3, 2021, Pages 44-53]

F

Failure mechanism Effect of Damping and Spacing to Rock Burrow Load Ratio on Rock Crushing Mechanism Using PFC2D and Wipfrog Software [Volume 5, Issue 4, 2021, Pages 20-28]
Failure mechanism Effect of Loading Rate on the Failure Mechanism of Rocks under Indirect Tensile Loading [Volume 1, Issue 2, 2017, Pages 55-65]
Fault Zone Locating the Poorkan-Vardij Fault Zone in the Second Lot of Karaj Water Conveyance Tunnel Using Actual TBM Performance and Operational Parameters [Volume 1, Issue 2, 2017, Pages 67-74]
Fault Zone Analysis of the Effects of Fault Zones on the Boreability Index and TBM Performance in Tunneling Projects (Case Study: Karaj, Ghmroud, Nowsoud, and Kerman Water Conveyance Tunnels) [Volume 9, Issue 3, 2025, Pages 81-96]
FDEM Effect of Discrete Fracture Network density on hydraulic fracturing [Volume 8, Issue 3, 2024, Pages 1-10]
Feature selection Assessing the Impact of TBM Operational Parameters on Penetration Rate through Machine Learning and Multi-Stage Feature Selection [Volume 9, Issue 1, 2025, Pages 61-79]
Fine aggregate particles Effect of some important parameters on soil conditioning [Volume 7, Issue 2, 2023, Pages 1-13]
Fine-grained specimens Comparison of Indirect Tensile Strength Determination Methods for Samples Ranging from Fine-Grained to Coarse-Grained [Volume 9, Issue 3, 2025, Pages 23-39]
Finite difference method Numerical Modeling of the Stability of Intersection Resulted from Slope Tunnel and Access Tunnel in Tabas Coal Mine [Volume 7, Issue 3, 2023, Pages 1-13]
Finite difference method Design and optimization of tunnel lining at the intersection of Sardasht water transmission tunnel with the Zirmarg active fault [Volume 7, Issue 4, 2023, Pages 1-15]
Finite Difference Numerical Method Numerical Modeling of Evaluation The Stability of The Rock Pillar of The Nakhlak Underground Lead Excavation Network By Sublevel Stoping Method [Volume 7, Issue 4, 2023, Pages 27-39]
Finite element method Numerical modeling of rock cutting using high-pressure water jets [Volume 6, Issue 4, 2022, Pages 34-44]
Finite element method Numerical study of the effect of rock confinement on tool penetration in punch tests [Volume 5, Issue 2, 2021, Pages 43-53]
Finite element numerical method Numerical Modeling of Surface Subsidence during Excavation Sequences in the New Austrian Tunneling Method [Volume 7, Issue 1, 2023, Pages 85-106]
FIR Effect of some important parameters on soil conditioning [Volume 7, Issue 2, 2023, Pages 1-13]
Firefly Algorithm Prediction and Optimization of Rock Fragmentation Induced by Blasting Using Hybrid Soft Computing Methods in the Narbaghi Copper Mine [Volume 7, Issue 4, 2023, Pages 41-55]
Firefly algorithm (FA) The Estimation of TBM Penetration Rate using Artificial Neural Network Optimized with Particle Swarm Optimization and Firefly Algorithms, Case Study: Tabriz Metro Line 2 [Volume 9, Issue 1, 2025, Pages 47-60]
First Demolition Step Uncertainty quantification in the prediction of the first destruction step in extracting a long wall mining with reliability analysis methods [Volume 5, Issue 2, 2021, Pages 92-102]
FLAC3D Determination of Longitudinal Deformation Profile for Supported Tunnels (SLDP) Using Numerical Modeling [Volume 1, Issue 1, 2017, Pages 25-33]
FLAC3D Optimal selection of stability system for railway tunnel improvement [Volume 5, Issue 4, 2021, Pages 1-12]
FLAC3D finite difference software 3D modeling using the finite difference method to determine the effect of geometric and geomechanical parameters of the rock mass on the stability of the final wall slope of the Shadan gold-copper mine [Volume 5, Issue 1, 2021, Pages 67-81]
Flexible lining Design and optimization of tunnel lining at the intersection of Sardasht water transmission tunnel with the Zirmarg active fault [Volume 7, Issue 4, 2023, Pages 1-15]
Fluid Flow The Effect of Confining Pressure on the Sand Production in Hydrocarbon Reservoirs by Using Discrete Element Method [Volume 1, Issue 1, 2017, Pages 35-42]
Fluid Flow Slope stability analysis using a distinct element method considering the effects of fluid flow in open pit mines [Volume 7, Issue 4, 2023, Pages 73-88]
Fluid Flow Development of a geometric model of a 3D fractal discrete fracture network for tunnel sealing design selection [Volume 9, Issue 2, 2025, Pages 83-99]
Forchmeier equation Estimation of fluid flow behavior pattern in rock mass in Chamshir Dam [Volume 6, Issue 2, 2022, Pages 1-9]
Four-Point Bending Test Comparison of Indirect Tensile Strength Determination Methods for Samples Ranging from Fine-Grained to Coarse-Grained [Volume 9, Issue 3, 2025, Pages 23-39]
FPI Index Analysis of the Effects of Fault Zones on the Boreability Index and TBM Performance in Tunneling Projects (Case Study: Karaj, Ghmroud, Nowsoud, and Kerman Water Conveyance Tunnels) [Volume 9, Issue 3, 2025, Pages 81-96]
Fractal modeling (volumetric value) Investigating the correlation between geomechanical factors and the displacement rate of the eastern wall of the Chadormalou iron ore mine using fractal modeling [Volume 6, Issue 1, 2022, Pages 39-50]
Fracture Breakdown Pressure The application of acoustic emission methods in the analysis and evaluation of hydraulic fracturing processes. [Volume 7, Issue 3, 2023, Pages 50-59]
Fracture mechanics Numerical modeling of the coarse crack fracture mechanism in disk specimens [Volume 5, Issue 3, 2021, Pages 44-53]
Fracture Mechanics of Rocks Comparison of Facture Toughness Values in Single Edge Crack Round Bar Bending Test (SECRBB) and Straight Notch Disk Bend Test (SNDB) for Basalt Rocks [Volume 1, Issue 2, 2017, Pages 1-8]
Fracture Mechanism Experimental and Numerical Investigation of Conventional Methods for Determining Mode I Fracture Toughness of Concrete [Volume 9, Issue 1, 2025, Pages 25-45]
Fracture of particles Evaluation of Effective Factors on the Breakage of Granular Materials Using Discrete Element Method (DEM) [Volume 1, Issue 1, 2017, Pages 1-10]
Fracture shape Investigating the effect of heterogeneity on the fracture mechanism of rock samples [Volume 6, Issue 3, 2022, Pages 22-31]
Fracture toughness Experimental study on temperature effect on the tensile fracture toughness of cement mortars containing micro-silica [Volume 8, Issue 1, 2024, Pages 51-65]
Fracture toughness Experimental and Numerical Investigation of Conventional Methods for Determining Mode I Fracture Toughness of Concrete [Volume 9, Issue 1, 2025, Pages 25-45]
Fracture toughness mode I Experimental Investigation of the Effect of Grain Size on the Mechanical Parameters and Mode I Fracture Toughness of Rock-Like Materials [Volume 8, Issue 2, 2024, Pages 21-34]
Fracture Toughness of Rocks Comparison of Facture Toughness Values in Single Edge Crack Round Bar Bending Test (SECRBB) and Straight Notch Disk Bend Test (SNDB) for Basalt Rocks [Volume 1, Issue 2, 2017, Pages 1-8]
Fragility curve Investigating the effect of in-situ stresses on the seismic response of tunnels [Volume 5, Issue 3, 2021, Pages 54-68]
Fragmentation Prediction Development of a Mathematical Model for Predicting Blast-Induced Fragmentation Considering Elastic Wave Velocities [Volume 7, Issue 2, 2023, Pages 71-82]
Fragmentation Prediction Fragmentation Optimization Prediction and Optimization of Rock Fragmentation Induced by Blasting Using Hybrid Soft Computing Methods in the Narbaghi Copper Mine [Volume 7, Issue 4, 2023, Pages 41-55]
Free overflow The Effect of Strength Parameters of Rock Joints on the Scoure Intensity of Stilling Basin behind a Dam [Volume 7, Issue 1, 2023, Pages 1-21]
Freeze-thaw cycles The effect of freeze-thaw cycles on the fatigue strength of Travertine [Volume 8, Issue 2, 2024, Pages 63-75]
Friction transfer Application of a new test for in-situ measurement of uniaxial compressive strength of rocks and concrete [Volume 6, Issue 3, 2022, Pages 50-57]
Frost Heave Modeling the Behavior of Frozen Soil Under Freeze/Thaw Cycles with Emphasis on Depth and Temperature Change Rate Parameters [Volume 9, Issue 2, 2025, Pages 29-41]
Frozen soil Modeling the Behavior of Frozen Soil Under Freeze/Thaw Cycles with Emphasis on Depth and Temperature Change Rate Parameters [Volume 9, Issue 2, 2025, Pages 29-41]
Full-section boring machine Presenting an experimental model for predicting the blade consumption rate of full-section tunnel boring machines (TBM) [Volume 5, Issue 1, 2021, Pages 1-9]
Fuzzy FMEA Assessment of the Ground Vibration Risk Caused By Blasting Using a Developed FMEA Approach in an Uncertain Environment [Volume 1, Issue 1, 2017, Pages 43-53]
Fuzzy inference system Estimating the rock mass deformation modulus using the statistical and artificial intelligence models [Volume 8, Issue 2, 2024, Pages 35-62]
Fuzzy TOPSIS Managing risk in tunneling projects: A fuzzy TOPSIS approach for improved decision-making [Volume 9, Issue 1, 2025, Pages 81-95]
Fuzzy-TOPSIS method Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: Emam Zadeh Hashem Tunnel [Volume 1, Issue 2, 2017, Pages 29-40]

G

Gene expression programming Predicting pillar stability using gene expression programming algorithm in underground stope and pillar mines [Volume 7, Issue 1, 2023, Pages 107-121]
Gene expression programming Estimating the rock mass deformation modulus using the statistical and artificial intelligence models [Volume 8, Issue 2, 2024, Pages 35-62]
Gene expression programming Prediction of maximum ground surface settlement due to urban tunneling operations using GEP and MEP evolutionary algorithms [Volume 8, Issue 3, 2024, Pages 57-83]
Genetic Algorithm Investigating the performance of data-driven models in determining cement slurry pressure using a combined gamma test and genetic algorithm (GA-GT) method [Volume 5, Issue 4, 2021, Pages 29-38]
Geologically Related Delays (GRRD) Investigating the relationship between the productivity of a double-shield tunnel boring machine and the rock mass scoring system [Volume 1, Issue 3, 2017, Pages 67-76]
Geological Strength Index (GSI) Development of a new method for pattern design and predicting the results of tunnel blasting based on scientific and field parametric studies under V-Cut [Volume 7, Issue 1, 2023, Pages 45-71]
Geomechanical unit Geomechanical unit Determination using a combination of clustering methods and laboratory test results for the Kangan and Dalan formations in the southern Iranian reservoirs [Volume 7, Issue 3, 2023, Pages 41-49]
Geomechanics The effect of plastic strains on the deformation of oil reservoirs [Volume 6, Issue 1, 2022, Pages 1-14]
Geometric and geomechanical parameters 3D modeling using the finite difference method to determine the effect of geometric and geomechanical parameters of the rock mass on the stability of the final wall slope of the Shadan gold-copper mine [Volume 5, Issue 1, 2021, Pages 67-81]
Geostatistics Investigating the correlation between geomechanical factors and the displacement rate of the eastern wall of the Chadormalou iron ore mine using fractal modeling [Volume 6, Issue 1, 2022, Pages 39-50]
Geotechnical parameters Investigating the uncertainty in the geotechnical profile of the tunnel route and its role in the occurrence of surface settlements [Volume 8, Issue 3, 2024, Pages 85-102]
Geotechnics Design, construction and implementation of the first in-situ test of a blade dilatometer equipped with a vibration-sensitive electronic sensor on Line 6 of Tehran Metro [Volume 6, Issue 3, 2022, Pages 1-12]
Golab tunnel Comparing the capabilities and efficiency of different methods in predicting tunnel boring machine performance and proposing the best method for presenting the model [Volume 6, Issue 2, 2022, Pages 31-42]
Golden eagle ptimizer (GEO) Prediction of maximum ground surface subsidence induced by longwall mining using a hybrid support vector regression model optimized by golden eagle algorithm [Volume 8, Issue 4, 2024, Pages 27-51]
Gol-E-Gohar Investigating the unstable zones of Golgohar No. 3 iron ore mine using radar interferometric method [Volume 9, Issue 1, 2025, Pages 11-23]
Golgohar mine Slope stability analysis using a distinct element method considering the effects of fluid flow in open pit mines [Volume 7, Issue 4, 2023, Pages 73-88]
Gol-Gohar Mine Development of a Mathematical Model for Predicting Blast-Induced Fragmentation Considering Elastic Wave Velocities [Volume 7, Issue 2, 2023, Pages 71-82]
Grain fabric The effect of rock chipping on the penetration rate of tunnel boring machine [Volume 7, Issue 1, 2023, Pages 23-43]
Grain Size The effect of rock chipping on the penetration rate of tunnel boring machine [Volume 7, Issue 1, 2023, Pages 23-43]
Grain Size Experimental Investigation of the Effect of Grain Size on the Mechanical Parameters and Mode I Fracture Toughness of Rock-Like Materials [Volume 8, Issue 2, 2024, Pages 21-34]
Granite building stones Investigating the effect of lithological properties of granite building stones on the wear of diamond segments of cutting discs [Volume 6, Issue 2, 2022, Pages 10-18]
Granular Materials Evaluation of Effective Factors on the Breakage of Granular Materials Using Discrete Element Method (DEM) [Volume 1, Issue 1, 2017, Pages 1-10]
Granular Materials Comparison of fracture of cracked and non-cracked rounded-corner granular materials under uniaxial compressive loading with lateral confinement [Volume 5, Issue 2, 2021, Pages 1-14]
Ground settlement Evaluation of ground settlement caused by tunneling using the staged excavation method in soft soils [Volume 6, Issue 2, 2022, Pages 52-67]
Ground settlement Numerical evaluation of the impact of the key layer on the settlement rate caused by mechanized long-wall mining. [Volume 5, Issue 1, 2021, Pages 55-66]
Ground settlement Investigating the uncertainty in the geotechnical profile of the tunnel route and its role in the occurrence of surface settlements [Volume 8, Issue 3, 2024, Pages 85-102]
Ground subsidence Numerical Modeling of Surface Subsidence during Excavation Sequences in the New Austrian Tunneling Method [Volume 7, Issue 1, 2023, Pages 85-106]
Groundwater Complementing the SGR method with real data in estimating water inflow into rock tunnels [Volume 5, Issue 4, 2021, Pages 53-62]
Grout Investigating the feasibility of using basalt powder instead of cement in two-component backfilling grout in mechanized tunneling [(Articles in Press)]
Grouting boreholes Determining the Optimal Direction of Grout Injection Holes in the Cut Off Curtain of Safarood Dam Using Combination of Hydraulic Conductivity Tensor and Lugeon Test [Volume 9, Issue 2, 2025, Pages 43-69]

H

Haraz Dam Stability analysis of the slopes upstream and downstream of the road overlooking the Haraz Dam [Volume 5, Issue 3, 2021, Pages 69-89]
Hard rock mass Numerical investigation of the effect of cross-sectional area and stress intensity on the development of damage zone around tunnels in hard rock mass [Volume 6, Issue 1, 2022, Pages 15-30]
High deformable concrete (HDC) Increasing the energy absorption of tunnel lining sections by using High Deformable Concrete elements in squeezing environments [Volume 1, Issue 4, 2017, Pages 75-84]
High ductility concrete (HDC) element Laboratory and numerical investigation of tunnel sections with high ductility concrete (HDC) elements located in squeezing environments [Volume 6, Issue 1, 2022, Pages 63-71]
Higher order terms Estimation of crack growth path in rock materials under combined loading I/II [Volume 1, Issue 3, 2017, Pages 17-26]
Hopkinson test Presenting the scaling law using laboratory studies on the Sungun Porphyry (SP) rock type [Volume 5, Issue 2, 2021, Pages 36-42]
Hopkinson test Presenting a micromechanical failure model considering wing crack and secondary crack mechanisms simultaneously under dynamic loading [Volume 5, Issue 2, 2021, Pages 26-35]
Hot Dry Rock (HDR) Effect of Discrete Fracture Network density on hydraulic fracturing [Volume 8, Issue 3, 2024, Pages 1-10]
Hydraulic conductivity Assessment of Empirical and Analytical Methods for the Estimation of Water Intake into the Section 2 of Zagros Tunnel, Kermanshah, West Iran [Volume 9, Issue 3, 2025, Pages 1-21]
Hydraulic conductivity tensor Determining the Optimal Direction of Grout Injection Holes in the Cut Off Curtain of Safarood Dam Using Combination of Hydraulic Conductivity Tensor and Lugeon Test [Volume 9, Issue 2, 2025, Pages 43-69]
Hydraulic Fracture Numerical modeling of hydraulic fracturing using ABAQUS finite element software and determining the factors affecting the fracture initiation pressure [Volume 7, Issue 1, 2023, Pages 73-83]
Hydraulic Fracture The application of acoustic emission methods in the analysis and evaluation of hydraulic fracturing processes. [Volume 7, Issue 3, 2023, Pages 50-59]
Hydraulic Fracture (HF) Effect of Discrete Fracture Network density on hydraulic fracturing [Volume 8, Issue 3, 2024, Pages 1-10]
Hydraulic fracturing Laboratory study of the effect of pressure interval length on fracture pressure in hydraulic fracturing [Volume 1, Issue 3, 2017, Pages 47-53]
Hydraulic fracturing Study of the Effect of Fracture Fluids Viscosity and Borehole Diameter on Hydraulic Fracturing Breakdown Pressure Using a Newly Developed True Triaxial Apparatus [Volume 1, Issue 2, 2017, Pages 89-98]
Hydrogeology Complementing the SGR method with real data in estimating water inflow into rock tunnels [Volume 5, Issue 4, 2021, Pages 53-62]
Hydrostatic pressure Modeling the dynamic behavior of the rock foundation of the Moshampa Dam [Volume 5, Issue 1, 2021, Pages 42-54]

I

Imamzadeh Hashem Tunnel Development of a geometric model of a 3D fractal discrete fracture network for tunnel sealing design selection [Volume 9, Issue 2, 2025, Pages 83-99]
Impact-Probability Matrix Method The dynamic risk analysis for great section tunnels using impact-probability matrix method; A case study of Koohin railway tunnel in Qazvin-Rasht route [Volume 1, Issue 4, 2017, Pages 35-49]
Implicit Method Integrated perimeter surface model of clay and sand based on the concepts of critical state and general dilation law [Volume 5, Issue 4, 2021, Pages 39-52]
Incremental Dynamic Analysis Investigating the effect of in-situ stresses on the seismic response of tunnels [Volume 5, Issue 3, 2021, Pages 54-68]
Inelastic strains Presenting a micromechanical failure model considering wing crack and secondary crack mechanisms simultaneously under dynamic loading [Volume 5, Issue 2, 2021, Pages 26-35]
Injection Fluid Study of the Effect of Fracture Fluids Viscosity and Borehole Diameter on Hydraulic Fracturing Breakdown Pressure Using a Newly Developed True Triaxial Apparatus [Volume 1, Issue 2, 2017, Pages 89-98]
Injection Pattern Development of a geometric model of a 3D fractal discrete fracture network for tunnel sealing design selection [Volume 9, Issue 2, 2025, Pages 83-99]
Injection pressure Investigating the performance of data-driven models in determining cement slurry pressure using a combined gamma test and genetic algorithm (GA-GT) method [Volume 5, Issue 4, 2021, Pages 29-38]
In situ test In-situ evaluation of compressive strength of rocks and repair mortars using the "torsion" method [Volume 6, Issue 1, 2022, Pages 31-38]
In situ testing Design, construction and implementation of the first in-situ test of a blade dilatometer equipped with a vibration-sensitive electronic sensor on Line 6 of Tehran Metro [Volume 6, Issue 3, 2022, Pages 1-12]

L

Laboratory tests Presenting a relationship for finding the thickness of the damaged area caused by tunneling using laboratory tests and numerical methods [Volume 5, Issue 3, 2021, Pages 33-43]
Landslide Investigating the unstable zones of Golgohar No. 3 iron ore mine using radar interferometric method [Volume 9, Issue 1, 2025, Pages 11-23]
Land subsidence Three-dimensional effect of leading beam pre-retaining system on ground settlement under conditions of spatial variability of Young's modulus in NATM tunneling (case study) [Volume 5, Issue 4, 2021, Pages 76-88]
Large-scale environment Numerical investigation of flow pattern in a dual permeability environment in the presence of a diagonal fault using the streamline method [Volume 5, Issue 2, 2021, Pages 73-83]
LDP Determination of Longitudinal Deformation Profile for Supported Tunnels (SLDP) Using Numerical Modeling [Volume 1, Issue 1, 2017, Pages 25-33]
Lightweight Mortars Evaluation of the Mechanical Properties of Cement Mortar Containing Expanded Vermiculite Aggregate [Volume 8, Issue 2, 2024, Pages 1-19]
Limit equilibrium method Modeling of Slide-Head-Toppling Failure Using Limit Equilibrium and Finite Element Methods [Volume 7, Issue 3, 2023, Pages 61-75]
Linear Cutting Machine (LCM) Experimental Study on the Performance of Chisel Tools in Cutting Weak to Moderate Rocks [Volume 5, Issue 1, 2021, Pages 29-41]
Linear multi variate regression Prediction of maximum ground surface Subsidence due to longwall mining: a comparative evaluation of empirical equations and statistical and artificial intelligence models [Volume 8, Issue 3, 2024, Pages 11-37]
Log matrix Investigating the correlation between geomechanical factors and the displacement rate of the eastern wall of the Chadormalou iron ore mine using fractal modeling [Volume 6, Issue 1, 2022, Pages 39-50]
Longitudinal and Transverse Waves Development of a Mathematical Model for Predicting Blast-Induced Fragmentation Considering Elastic Wave Velocities [Volume 7, Issue 2, 2023, Pages 71-82]
Long wall Investigating the performance of shearer in long wall method using particle flow code. Case study: Tabas Parvaeh Mechanized Coal Mine [Volume 6, Issue 3, 2022, Pages 39-49]
Long-wall mining Numerical evaluation of the impact of the key layer on the settlement rate caused by mechanized long-wall mining. [Volume 5, Issue 1, 2021, Pages 55-66]
Longwall mining Prediction of maximum ground surface subsidence induced by longwall mining using a hybrid support vector regression model optimized by golden eagle algorithm [Volume 8, Issue 4, 2024, Pages 27-51]
Longwall mining operations Prediction of maximum ground surface Subsidence due to longwall mining: a comparative evaluation of empirical equations and statistical and artificial intelligence models [Volume 8, Issue 3, 2024, Pages 11-37]
LS-DYNA software Investigating the effect of varying penetration depth, area, and velocity on vertical and rotational forces acting on a V-shaped edge cutting disc [Volume 6, Issue 3, 2022, Pages 13-21]
Lugeon test Determining the Optimal Direction of Grout Injection Holes in the Cut Off Curtain of Safarood Dam Using Combination of Hydraulic Conductivity Tensor and Lugeon Test [Volume 9, Issue 2, 2025, Pages 43-69]
Lujan experiment Estimation of fluid flow behavior pattern in rock mass in Chamshir Dam [Volume 6, Issue 2, 2022, Pages 1-9]

M

Machine Learning Prediction of Elastic Parameters of Carbonate Reservoir from Well Logging Data Using Machine Learning and Multivariate Regression Methods [Volume 7, Issue 2, 2023, Pages 53-70]
Machine Learning Assessing the Impact of TBM Operational Parameters on Penetration Rate through Machine Learning and Multi-Stage Feature Selection [Volume 9, Issue 1, 2025, Pages 61-79]
Machine Learning Modification of RMR Rock Mass Classification System for TBM Performance Prediction in Various Rock Types [Volume 9, Issue 2, 2025, Pages 71-82]
MATLAB software Optimization of the diverted well path based on the particle swarm optimization method [Volume 6, Issue 2, 2022, Pages 43-51]
Matrix-Blocks Interface The Influence of Shear Parameters of Matrix-Blocks Interface on Bimslope Stability [Volume 5, Issue 1, 2021, Pages 10-18]
Maximum ground surface settlement Prediction of maximum ground surface settlement due to urban tunneling operations using GEP and MEP evolutionary algorithms [Volume 8, Issue 3, 2024, Pages 57-83]
Maximum ground surface subsidence Prediction of maximum ground surface Subsidence due to longwall mining: a comparative evaluation of empirical equations and statistical and artificial intelligence models [Volume 8, Issue 3, 2024, Pages 11-37]
Maximum ground surface subsidence Prediction of maximum ground surface subsidence induced by longwall mining using a hybrid support vector regression model optimized by golden eagle algorithm [Volume 8, Issue 4, 2024, Pages 27-51]
Maximum tangential stress criterion Estimation of crack growth path in rock materials under combined loading I/II [Volume 1, Issue 3, 2017, Pages 17-26]
Mechanical properties Experimental Study of the Mechanical Properties of Artificial Stones with the Aim of Determining the Optimal Composition of Constituent Materials [Volume 7, Issue 2, 2023, Pages 29-38]
Mechanical properties Evaluation of the Mechanical Properties of Cement Mortar Containing Expanded Vermiculite Aggregate [Volume 8, Issue 2, 2024, Pages 1-19]
Mechanical properties Investigating the feasibility of using basalt powder instead of cement in two-component backfilling grout in mechanized tunneling [(Articles in Press)]
Mechanized drilling machine Development of drillability index of jointed rock mass based on rock fracture index in drilling with TBM [Volume 5, Issue 3, 2021, Pages 90-104]
Mechanized Excavation Investigating the effect of mechanized and blasting excavation methods on the extent of damaged zones of circular tunnels [Volume 6, Issue 3, 2022, Pages 32-38]
Mechanized Excavation Investigating the feasibility of using basalt powder instead of cement in two-component backfilling grout in mechanized tunneling [(Articles in Press)]
Micro-drilling method The role of operational factors in estimating rock strength parameters using micro drilling method [Volume 6, Issue 2, 2022, Pages 19-30]
Micromechanical failure model Presenting a micromechanical failure model considering wing crack and secondary crack mechanisms simultaneously under dynamic loading [Volume 5, Issue 2, 2021, Pages 26-35]
Midas GTS NX software Formation of crushed zone around tunnel in mechanized excavation of hard rock mass under high stress and its effect on the selection of mechanized drilling machine type [Volume 6, Issue 4, 2022, Pages 19-33]
Mine Block 3 Parvade 4 Uncertainty quantification in the prediction of the first destruction step in extracting a long wall mining with reliability analysis methods [Volume 5, Issue 2, 2021, Pages 92-102]
Mineralogy The effect of rock chipping on the penetration rate of tunnel boring machine [Volume 7, Issue 1, 2023, Pages 23-43]
Minimum and maximum horizontal stress Study of the stability of the diverted well wall using a quantitative risk assessment method in one of the fields in southwestern Iran [Volume 5, Issue 2, 2021, Pages 54-62]
Mixing plan Investigating the Effect of Using Steel Fibers on the Strength Parameters of Concrete [Volume 7, Issue 4, 2023, Pages 57-72]
Modulus of deformation Predicting the modulus of deformation of rock masses in southwestern Iran using multivariate linear regression [Volume 1, Issue 1, 2017, Pages 89-96]
Modulus of Subgrade Reaction Experimental and Statistical Evaluation of the Subgrade Reaction Modulus of Clayey Soils from Triaxial Test Results [Volume 9, Issue 2, 2025, Pages 1-16]
Monte Carlo Reliability Analysis of Bearing Capacity of Foundations on Rock Masses Using Monte Carlo Method [Volume 1, Issue 1, 2017, Pages 11-23]
Monte Carlo Method Study of the stability of the diverted well wall using a quantitative risk assessment method in one of the fields in southwestern Iran [Volume 5, Issue 2, 2021, Pages 54-62]
Mortar In-situ evaluation of compressive strength of rocks and repair mortars using the "torsion" method [Volume 6, Issue 1, 2022, Pages 31-38]
Mortar with Expanded Vermiculite Aggregate Evaluation of the Mechanical Properties of Cement Mortar Containing Expanded Vermiculite Aggregate [Volume 8, Issue 2, 2024, Pages 1-19]
MS criterion Fracture analysis of rock-type U-notched components using single edge U-notched beam (SEUNB) sample [Volume 8, Issue 1, 2024, Pages 23-36]
MTS criterion Fracture analysis of rock-type U-notched components using single edge U-notched beam (SEUNB) sample [Volume 8, Issue 1, 2024, Pages 23-36]
Multi expression programming Linear multivariate regression Prediction of maximum ground surface settlement due to urban tunneling operations using GEP and MEP evolutionary algorithms [Volume 8, Issue 3, 2024, Pages 57-83]
Multilaminate Theory Providing a Unified Anisotropic Behavioral Model for Simulating the Behavior of Soft Rocks [Volume 8, Issue 1, 2024, Pages 37-49]
Multiple linear regression Prediction of Elastic Parameters of Carbonate Reservoir from Well Logging Data Using Machine Learning and Multivariate Regression Methods [Volume 7, Issue 2, 2023, Pages 53-70]
Multiple linear regression Estimating the rock mass deformation modulus using the statistical and artificial intelligence models [Volume 8, Issue 2, 2024, Pages 35-62]
Multiple regression Experimental and Statistical Evaluation of the Subgrade Reaction Modulus of Clayey Soils from Triaxial Test Results [Volume 9, Issue 2, 2025, Pages 1-16]
Multiscale The effect of plastic strains on the deformation of oil reservoirs [Volume 6, Issue 1, 2022, Pages 1-14]
Multivariate linear regression Predicting the modulus of deformation of rock masses in southwestern Iran using multivariate linear regression [Volume 1, Issue 1, 2017, Pages 89-96]
Multivariate regression analysis The correlation between Schmidt hardness index and P-wave velocity with uniaxial compressive strength of carbonate building stones [Volume 5, Issue 1, 2021, Pages 19-28]

N

Nakhlak Underground Lead Mine Numerical Modeling of Evaluation The Stability of The Rock Pillar of The Nakhlak Underground Lead Excavation Network By Sublevel Stoping Method [Volume 7, Issue 4, 2023, Pages 27-39]
Navier-Stokes equations Validation of numerical simulation of fluid flow through rough rock fractures using physical modeling based on 3D printing [Volume 8, Issue 4, 2024, Pages 53-64]
Network training Development of an Adaptive Neuro-Fuzzy Inference System (ANFIS) for Intelligent Prediction of Tunnel Settlement and Evaluation of Predictive Accuracy Based on Convergence Monitoring Data [Volume 9, Issue 3, 2025, Pages 61-79]
Neural-fuzzy system Prediction of penetration rate of EPB TBM machines in soft ground using neuro-fuzzy system (ANFIS) [Volume 7, Issue 2, 2023, Pages 15-27]
Neuro-Fuzzy Inference System Development of an Adaptive Neuro-Fuzzy Inference System (ANFIS) for Intelligent Prediction of Tunnel Settlement and Evaluation of Predictive Accuracy Based on Convergence Monitoring Data [Volume 9, Issue 3, 2025, Pages 61-79]
New Austrian tunneling method Numerical Modeling of Surface Subsidence during Excavation Sequences in the New Austrian Tunneling Method [Volume 7, Issue 1, 2023, Pages 85-106]
Non-hydrostatic stress Determination of Longitudinal Deformation Profile for Supported Tunnels (SLDP) Using Numerical Modeling [Volume 1, Issue 1, 2017, Pages 25-33]
Nonlinear behavior Estimation of fluid flow behavior pattern in rock mass in Chamshir Dam [Volume 6, Issue 2, 2022, Pages 1-9]
Nonlinear multivariate regression (NLMR) Prediction of maximum ground surface subsidence induced by longwall mining using a hybrid support vector regression model optimized by golden eagle algorithm [Volume 8, Issue 4, 2024, Pages 27-51]
Numerical analysis Determining the Optimal Drilling Fluid Pressure for Oil Well Stability Using Geomechanical Modeling in ABAQUS Finite Element Software [Volume 9, Issue 3, 2025, Pages 41-59]
Numerical analysis and FLAC3D software Presenting a relationship for finding the thickness of the damaged area caused by tunneling using laboratory tests and numerical methods [Volume 5, Issue 3, 2021, Pages 33-43]
Numerical fluid flow simulation Validation of numerical simulation of fluid flow through rough rock fractures using physical modeling based on 3D printing [Volume 8, Issue 4, 2024, Pages 53-64]
Numerical method Investigating the effect of mechanized and blasting excavation methods on the extent of damaged zones of circular tunnels [Volume 6, Issue 3, 2022, Pages 32-38]
Numerical method Numerical Validation of Seismic Analytical Solutions of Circular Tunnels (Case Study: Tehran Metro Line 6) [Volume 1, Issue 2, 2017, Pages 9-27]
Numerical Model Experimental and numerical analysis to evaluate the effect of core geometry and size on the uniaxial compressive strength of concrete [Volume 5, Issue 4, 2021, Pages 63-75]
Numerical modeling Numerical modeling of hydraulic fracturing using ABAQUS finite element software and determining the factors affecting the fracture initiation pressure [Volume 7, Issue 1, 2023, Pages 73-83]
Numerical modeling Numerical modeling of rock cutting using high-pressure water jets [Volume 6, Issue 4, 2022, Pages 34-44]
Numerical modeling Investigating the performance of shearer in long wall method using particle flow code. Case study: Tabas Parvaeh Mechanized Coal Mine [Volume 6, Issue 3, 2022, Pages 39-49]
Numerical modeling Numerical evaluation of the impact of the key layer on the settlement rate caused by mechanized long-wall mining. [Volume 5, Issue 1, 2021, Pages 55-66]
Numerical modeling 3D modeling using the finite difference method to determine the effect of geometric and geomechanical parameters of the rock mass on the stability of the final wall slope of the Shadan gold-copper mine [Volume 5, Issue 1, 2021, Pages 67-81]
Numerical modeling The Influence of Shear Parameters of Matrix-Blocks Interface on Bimslope Stability [Volume 5, Issue 1, 2021, Pages 10-18]
Numerical modeling Numerical study of the effect of rock confinement on tool penetration in punch tests [Volume 5, Issue 2, 2021, Pages 43-53]
Numerical modeling Stability analysis of the slopes upstream and downstream of the road overlooking the Haraz Dam [Volume 5, Issue 3, 2021, Pages 69-89]
Numerical modeling Numerical Modeling of the Stability of Intersection Resulted from Slope Tunnel and Access Tunnel in Tabas Coal Mine [Volume 7, Issue 3, 2023, Pages 1-13]
Numerical modeling Optimal selection of stability system for railway tunnel improvement [Volume 5, Issue 4, 2021, Pages 1-12]
Numerical modeling Numerical Modeling of the Pipe Roofing System for Tunnel Pre-Treatment (Case Study: Taleghan Tunnel) [Volume 8, Issue 1, 2024, Pages 83-97]
Numerical modeling Experimental and Numerical Investigation of Conventional Methods for Determining Mode I Fracture Toughness of Concrete [Volume 9, Issue 1, 2025, Pages 25-45]
Numerical Modeling. NATM Method Numerical Analysis of Tunnel Deformation Behavior and Surface Settlement in Layered Clayey Soils with Emphasis on the Cover-to-Diameter Ratio [Volume 9, Issue 3, 2025, Pages 97-116]
Numerical modelling Three-dimensional modeling of stress arching and determination of zones with fracture potential in rock-fill dams in narrow valleys (case study: Lorestan Roodbar dam) [Volume 8, Issue 4, 2024, Pages 1-14]

O

Oil Reservoirs The effect of plastic strains on the deformation of oil reservoirs [Volume 6, Issue 1, 2022, Pages 1-14]
Operating parameters Effect of Operating Parameters on TBM Disc Cutter Wear [Volume 7, Issue 3, 2023, Pages 31-39]
Operational parameters Assessing the Impact of TBM Operational Parameters on Penetration Rate through Machine Learning and Multi-Stage Feature Selection [Volume 9, Issue 1, 2025, Pages 61-79]
Optimal drilling pattern Development of a new method for pattern design and predicting the results of tunnel blasting based on scientific and field parametric studies under V-Cut [Volume 7, Issue 1, 2023, Pages 45-71]
Optimal fragmentation Prediction and Optimization of Rock Fragmentation Induced by Blasting Using Hybrid Soft Computing Methods in the Narbaghi Copper Mine [Volume 7, Issue 4, 2023, Pages 41-55]
Optimal orientation of grouting boreholes Determining the Optimal Direction of Grout Injection Holes in the Cut Off Curtain of Safarood Dam Using Combination of Hydraulic Conductivity Tensor and Lugeon Test [Volume 9, Issue 2, 2025, Pages 43-69]
Optimization Injection Pattern Development of a geometric model of a 3D fractal discrete fracture network for tunnel sealing design selection [Volume 9, Issue 2, 2025, Pages 83-99]
Optimization of ingredients Experimental Study of the Mechanical Properties of Artificial Stones with the Aim of Determining the Optimal Composition of Constituent Materials [Volume 7, Issue 2, 2023, Pages 29-38]
Oscillation scale Three-dimensional effect of leading beam pre-retaining system on ground settlement under conditions of spatial variability of Young's modulus in NATM tunneling (case study) [Volume 5, Issue 4, 2021, Pages 76-88]
Ovaling Deformation Numerical Validation of Seismic Analytical Solutions of Circular Tunnels (Case Study: Tehran Metro Line 6) [Volume 1, Issue 2, 2017, Pages 9-27]

P

Packer Laboratory study of the effect of pressure interval length on fracture pressure in hydraulic fracturing [Volume 1, Issue 3, 2017, Pages 47-53]
Parn Valley Stability analysis of the slopes upstream and downstream of the road overlooking the Haraz Dam [Volume 5, Issue 3, 2021, Pages 69-89]
Partial extraction Predicting pillar stability using gene expression programming algorithm in underground stope and pillar mines [Volume 7, Issue 1, 2023, Pages 107-121]
Particle Shape Evaluation of Effective Factors on the Breakage of Granular Materials Using Discrete Element Method (DEM) [Volume 1, Issue 1, 2017, Pages 1-10]
Particle size distribution Integrated IPM modeling to investigate formation particle control methods in oil reservoirs [Volume 6, Issue 4, 2022, Pages 1-9]
Particle Swarm Optimization Optimization of the diverted well path based on the particle swarm optimization method [Volume 6, Issue 2, 2022, Pages 43-51]
Particle Swarm Optimization (PSO) The Estimation of TBM Penetration Rate using Artificial Neural Network Optimized with Particle Swarm Optimization and Firefly Algorithms, Case Study: Tabriz Metro Line 2 [Volume 9, Issue 1, 2025, Pages 47-60]
Path design Optimization of the diverted well path based on the particle swarm optimization method [Volume 6, Issue 2, 2022, Pages 43-51]
Peak Particle Velocity (PPV) Optimizing Blast-Induced Ground Vibration Reduction Using an Integrated ANN-EOA Model: A Case Study of Sarcheshmeh Copper Mine [Volume 9, Issue 2, 2025, Pages 17-27]
Penetration Index Locating the Poorkan-Vardij Fault Zone in the Second Lot of Karaj Water Conveyance Tunnel Using Actual TBM Performance and Operational Parameters [Volume 1, Issue 2, 2017, Pages 67-74]
Penetration Rate Prediction The Estimation of TBM Penetration Rate using Artificial Neural Network Optimized with Particle Swarm Optimization and Firefly Algorithms, Case Study: Tabriz Metro Line 2 [Volume 9, Issue 1, 2025, Pages 47-60]
Penetration Rate Prediction Assessing the Impact of TBM Operational Parameters on Penetration Rate through Machine Learning and Multi-Stage Feature Selection [Volume 9, Issue 1, 2025, Pages 61-79]
Perimeter surface Integrated perimeter surface model of clay and sand based on the concepts of critical state and general dilation law [Volume 5, Issue 4, 2021, Pages 39-52]
Permeability Determining the Optimal Direction of Grout Injection Holes in the Cut Off Curtain of Safarood Dam Using Combination of Hydraulic Conductivity Tensor and Lugeon Test [Volume 9, Issue 2, 2025, Pages 43-69]
Petroleum geomechanics Prediction of Elastic Parameters of Carbonate Reservoir from Well Logging Data Using Machine Learning and Multivariate Regression Methods [Volume 7, Issue 2, 2023, Pages 53-70]
Petrological properties Investigating the effect of lithological properties of granite building stones on the wear of diamond segments of cutting discs [Volume 6, Issue 2, 2022, Pages 10-18]
PFC Application of Numerical Simulation to Estimate Stress Damage Thresholds in Some Types of Sandstones [Volume 8, Issue 1, 2024, Pages 1-21]
PFC2D Studying the effect of microparameters of the PFC numerical model on hydraulic crack propagation [Volume 5, Issue 4, 2021, Pages 13-19]
PFC2D Investigating the Effect of Cutter Edge Shape on Rock Fragmentation Using PFC2D [Volume 1, Issue 2, 2017, Pages 75-88]
PFC2D numerical software Study of failure of closed non-extension plane and stepped joints using PFC2D software [Volume 6, Issue 1, 2022, Pages 51-62]
PFC3D software The Effect of Confining Pressure on the Sand Production in Hydrocarbon Reservoirs by Using Discrete Element Method [Volume 1, Issue 1, 2017, Pages 35-42]
Phase 2 Software Modeling of Slide-Head-Toppling Failure Using Limit Equilibrium and Finite Element Methods [Volume 7, Issue 3, 2023, Pages 61-75]
Photogrammetric Method Determining the Orientation of Discontinuities Using the Drone Photography (A Case Study of the Bench at the 2450 Level of the West Wall of Sarchesheme Copper Mine [Volume 7, Issue 3, 2023, Pages 15-29]
Photogrammetry Development of a new model to predict the shear strength of unfilled natural joints [Volume 8, Issue 3, 2024, Pages 103-110]
Physical and mechanical properties of rocks Investigating the relationship between fundamental frequencies produced by rotary drilling and the physical and mechanical properties of carbonate rocks [Volume 5, Issue 2, 2021, Pages 63-72]
Pillar stability index Predicting pillar stability using gene expression programming algorithm in underground stope and pillar mines [Volume 7, Issue 1, 2023, Pages 107-121]
Pipe bursting operation Evaluation of Pipe Bursting operation on Adjacent Underground facilities Using 3D Numerical Analysis [Volume 8, Issue 4, 2024, Pages 89-99]
Pipe roofing Numerical Modeling of the Pipe Roofing System for Tunnel Pre-Treatment (Case Study: Taleghan Tunnel) [Volume 8, Issue 1, 2024, Pages 83-97]
Plastic strain The effect of plastic strains on the deformation of oil reservoirs [Volume 6, Issue 1, 2022, Pages 1-14]
Plate load test Experimental and Statistical Evaluation of the Subgrade Reaction Modulus of Clayey Soils from Triaxial Test Results [Volume 9, Issue 2, 2025, Pages 1-16]
Plaxis 3D Three-dimensional modeling of stress arching and determination of zones with fracture potential in rock-fill dams in narrow valleys (case study: Lorestan Roodbar dam) [Volume 8, Issue 4, 2024, Pages 1-14]
Plaxis 3D tunnel finite element software Evaluation of ground settlement caused by tunneling using the staged excavation method in soft soils [Volume 6, Issue 2, 2022, Pages 52-67]
Plaxis Software Modeling the Behavior of Frozen Soil Under Freeze/Thaw Cycles with Emphasis on Depth and Temperature Change Rate Parameters [Volume 9, Issue 2, 2025, Pages 29-41]
Point-load index test Comparison of Indirect Tensile Strength Determination Methods for Samples Ranging from Fine-Grained to Coarse-Grained [Volume 9, Issue 3, 2025, Pages 23-39]
Poisson’s ratio Prediction of Elastic Parameters of Carbonate Reservoir from Well Logging Data Using Machine Learning and Multivariate Regression Methods [Volume 7, Issue 2, 2023, Pages 53-70]
Porosity and permeability Geomechanical unit Determination using a combination of clustering methods and laboratory test results for the Kangan and Dalan formations in the southern Iranian reservoirs [Volume 7, Issue 3, 2023, Pages 41-49]
Porous media The effect of plastic strains on the deformation of oil reservoirs [Volume 6, Issue 1, 2022, Pages 1-14]
Powder factor Determination of the Powder Factor Based on Geomechanical Parameters of Rock Mass (Case Study - Seymareh Dam and Power Plant Project) [Volume 1, Issue 4, 2017, Pages 85-95]
PowerDeck The Impact of PowerDeck Application on Blasting Operations - A Case Study of the Sarab Iron Ore Mine [Volume 7, Issue 2, 2023, Pages 39-51]
Prediction Model Comparing the capabilities and efficiency of different methods in predicting tunnel boring machine performance and proposing the best method for presenting the model [Volume 6, Issue 2, 2022, Pages 31-42]
Pressure range Laboratory study of the effect of pressure interval length on fracture pressure in hydraulic fracturing [Volume 1, Issue 3, 2017, Pages 47-53]
Prevention of formation particles Integrated IPM modeling to investigate formation particle control methods in oil reservoirs [Volume 6, Issue 4, 2022, Pages 1-9]
Principle Components Analysis Determination of the Powder Factor Based on Geomechanical Parameters of Rock Mass (Case Study - Seymareh Dam and Power Plant Project) [Volume 1, Issue 4, 2017, Pages 85-95]
Probability Density Function Distribution function of random variable of shotcrete lining thickness in temporary tunnel support [Volume 1, Issue 1, 2017, Pages 55-67]
Production cost function Development of a new economic model to evaluate costs in the carbonate rock cutting process [Volume 1, Issue 3, 2017, Pages 39-46]
Productivity (U) Investigating the relationship between the productivity of a double-shield tunnel boring machine and the rock mass scoring system [Volume 1, Issue 3, 2017, Pages 67-76]
Punch penetration test Numerical study of the effect of rock confinement on tool penetration in punch tests [Volume 5, Issue 2, 2021, Pages 43-53]
Pure mode II Fracture analysis of rock-type U-notched components using single edge U-notched beam (SEUNB) sample [Volume 8, Issue 1, 2024, Pages 23-36]
P-wave velocity The correlation between Schmidt hardness index and P-wave velocity with uniaxial compressive strength of carbonate building stones [Volume 5, Issue 1, 2021, Pages 19-28]

R

Radial strain Laboratory and numerical investigation of tunnel sections with high ductility concrete (HDC) elements located in squeezing environments [Volume 6, Issue 1, 2022, Pages 63-71]
Random Forest Algorithm Prediction of maximum ground surface Subsidence due to longwall mining: a comparative evaluation of empirical equations and statistical and artificial intelligence models [Volume 8, Issue 3, 2024, Pages 11-37]
Random variable Distribution function of random variable of shotcrete lining thickness in temporary tunnel support [Volume 1, Issue 1, 2017, Pages 55-67]
Ranking Development of a new economic model to evaluate costs in the carbonate rock cutting process [Volume 1, Issue 3, 2017, Pages 39-46]
Regression Model Development of a Mathematical Model for Predicting Blast-Induced Fragmentation Considering Elastic Wave Velocities [Volume 7, Issue 2, 2023, Pages 71-82]
Relative Frequency Energy Damage detection in cement mortar samples using wavelet transform analysis of non-destructive ultrasonic test results [Volume 8, Issue 4, 2024, Pages 65-87]
Reliability Reliability Analysis of Bearing Capacity of Foundations on Rock Masses Using Monte Carlo Method [Volume 1, Issue 1, 2017, Pages 11-23]
Reliability Distribution function of random variable of shotcrete lining thickness in temporary tunnel support [Volume 1, Issue 1, 2017, Pages 55-67]
Reliability Index Uncertainty quantification in the prediction of the first destruction step in extracting a long wall mining with reliability analysis methods [Volume 5, Issue 2, 2021, Pages 92-102]
Representative geometric models Investigating the effect of joint geometry on estimating rock joint roughness using statistical studies [Volume 1, Issue 3, 2017, Pages 77-89]
Rigid projectile Simulation of high-velocity rigid projectile penetration into rock mass using discrete element method with particle-flow capability [Volume 5, Issue 3, 2021, Pages 1-12]
Risk Assessment Assessment of the Ground Vibration Risk Caused By Blasting Using a Developed FMEA Approach in an Uncertain Environment [Volume 1, Issue 1, 2017, Pages 43-53]
Risk Assessment Managing risk in tunneling projects: A fuzzy TOPSIS approach for improved decision-making [Volume 9, Issue 1, 2025, Pages 81-95]
Risk Management The dynamic risk analysis for great section tunnels using impact-probability matrix method; A case study of Koohin railway tunnel in Qazvin-Rasht route [Volume 1, Issue 4, 2017, Pages 35-49]
RMR Determination of Longitudinal Deformation Profile for Supported Tunnels (SLDP) Using Numerical Modeling [Volume 1, Issue 1, 2017, Pages 25-33]
RMR Classification System Modification of RMR Rock Mass Classification System for TBM Performance Prediction in Various Rock Types [Volume 9, Issue 2, 2025, Pages 71-82]
RMRTBM System Modification of RMR Rock Mass Classification System for TBM Performance Prediction in Various Rock Types [Volume 9, Issue 2, 2025, Pages 71-82]
Rock In-situ evaluation of compressive strength of rocks and repair mortars using the "torsion" method [Volume 6, Issue 1, 2022, Pages 31-38]
Rock Application of a new test for in-situ measurement of uniaxial compressive strength of rocks and concrete [Volume 6, Issue 3, 2022, Pages 50-57]
Rock Presenting an experimental model for predicting the blade consumption rate of full-section tunnel boring machines (TBM) [Volume 5, Issue 1, 2021, Pages 1-9]
Rock brittleness Numerical study of the effect of rock confinement on tool penetration in punch tests [Volume 5, Issue 2, 2021, Pages 43-53]
Rock chipping The effect of rock chipping on the penetration rate of tunnel boring machine [Volume 7, Issue 1, 2023, Pages 23-43]
Rock classification Investigating the correlation between geomechanical factors and the displacement rate of the eastern wall of the Chadormalou iron ore mine using fractal modeling [Volume 6, Issue 1, 2022, Pages 39-50]
Rock Cuttability Experimental Study on the Performance of Chisel Tools in Cutting Weak to Moderate Rocks [Volume 5, Issue 1, 2021, Pages 29-41]
Rock cutting Numerical modeling of rock cutting using high-pressure water jets [Volume 6, Issue 4, 2022, Pages 34-44]
Rock cutting Determination of specific rock cutting forces and energy by numerical simulation of disc cutter performance in a full-section tunneling machine [Volume 1, Issue 3, 2017, Pages 55-66]
Rock cutting ability Softness monitoring: A new approach to evaluating the performance of disc cutters in rock cutting [Volume 5, Issue 2, 2021, Pages 84-91]
Rock fatigue The effect of freeze-thaw cycles on the fatigue strength of Travertine [Volume 8, Issue 2, 2024, Pages 63-75]
Rock flaking Formation of crushed zone around tunnel in mechanized excavation of hard rock mass under high stress and its effect on the selection of mechanized drilling machine type [Volume 6, Issue 4, 2022, Pages 19-33]
Rock foundation Modeling the dynamic behavior of the rock foundation of the Moshampa Dam [Volume 5, Issue 1, 2021, Pages 42-54]
Rock foundation Determination of Geomechanical Parameters and Allowable Bearing Capacity of the Rock Foundations of Surface Crude Oil Tanks in Khark Island [Volume 1, Issue 2, 2017, Pages 41-53]
Rock fracture index Development of drillability index of jointed rock mass based on rock fracture index in drilling with TBM [Volume 5, Issue 3, 2021, Pages 90-104]
Rock fracture mechanics Fracture analysis of rock-type U-notched components using single edge U-notched beam (SEUNB) sample [Volume 8, Issue 1, 2024, Pages 23-36]
Rock-like materials Experimental and Numerical Investigation of Conventional Methods for Determining Mode I Fracture Toughness of Concrete [Volume 9, Issue 1, 2025, Pages 25-45]
Rock mass Reliability Analysis of Bearing Capacity of Foundations on Rock Masses Using Monte Carlo Method [Volume 1, Issue 1, 2017, Pages 11-23]
Rock mass Predicting the modulus of deformation of rock masses in southwestern Iran using multivariate linear regression [Volume 1, Issue 1, 2017, Pages 89-96]
Rock mass Simulation of high-velocity rigid projectile penetration into rock mass using discrete element method with particle-flow capability [Volume 5, Issue 3, 2021, Pages 1-12]
Rock Mass Blast-ability (RMB) Development of a new method for pattern design and predicting the results of tunnel blasting based on scientific and field parametric studies under V-Cut [Volume 7, Issue 1, 2023, Pages 45-71]
Rock Mass Deformation Modulus Estimating the rock mass deformation modulus using the statistical and artificial intelligence models [Volume 8, Issue 2, 2024, Pages 35-62]
Rock Mass Discontinuity Numerical Investigation of Rock Mass and Explosive Properties on Blast Damage in Rock Slopes [Volume 1, Issue 4, 2017, Pages 11-22]
Rock Mass Properties Numerical Investigation of Rock Mass and Explosive Properties on Blast Damage in Rock Slopes [Volume 1, Issue 4, 2017, Pages 11-22]
Rock Mass Rating (RMR) Investigating the relationship between the productivity of a double-shield tunnel boring machine and the rock mass scoring system [Volume 1, Issue 3, 2017, Pages 67-76]
Rock materials Estimation of crack growth path in rock materials under combined loading I/II [Volume 1, Issue 3, 2017, Pages 17-26]
Rock Mechanical Properties Acoustic Signal Processing During Drilling and Penetration Rate Analysis for Developing an Empirical Model to Predict the Mechanical Properties of Hard Rocks [Volume 7, Issue 4, 2023, Pages 17-25]
Rock Resistivity Locating the Poorkan-Vardij Fault Zone in the Second Lot of Karaj Water Conveyance Tunnel Using Actual TBM Performance and Operational Parameters [Volume 1, Issue 2, 2017, Pages 67-74]
Rock slope Stability analysis of the slopes upstream and downstream of the road overlooking the Haraz Dam [Volume 5, Issue 3, 2021, Pages 69-89]
Rock slope Modeling of Slide-Head-Toppling Failure Using Limit Equilibrium and Finite Element Methods [Volume 7, Issue 3, 2023, Pages 61-75]
Rock strength parameters The role of operational factors in estimating rock strength parameters using micro drilling method [Volume 6, Issue 2, 2022, Pages 19-30]
Role of operational factors The role of operational factors in estimating rock strength parameters using micro drilling method [Volume 6, Issue 2, 2022, Pages 19-30]
Rotary Drilling Investigating the relationship between fundamental frequencies produced by rotary drilling and the physical and mechanical properties of carbonate rocks [Volume 5, Issue 2, 2021, Pages 63-72]
Rotational force Investigating the effect of varying penetration depth, area, and velocity on vertical and rotational forces acting on a V-shaped edge cutting disc [Volume 6, Issue 3, 2022, Pages 13-21]
Rough Fracture Validation of numerical simulation of fluid flow through rough rock fractures using physical modeling based on 3D printing [Volume 8, Issue 4, 2024, Pages 53-64]
Roughness Investigating the effect of joint geometry on estimating rock joint roughness using statistical studies [Volume 1, Issue 3, 2017, Pages 77-89]
Rounded materials Comparison of fracture of cracked and non-cracked rounded-corner granular materials under uniaxial compressive loading with lateral confinement [Volume 5, Issue 2, 2021, Pages 1-14]

S

Safe drilling mud window Determining the Optimal Drilling Fluid Pressure for Oil Well Stability Using Geomechanical Modeling in ABAQUS Finite Element Software [Volume 9, Issue 3, 2025, Pages 41-59]
Sakurai Method Numerical Modeling of Evaluation The Stability of The Rock Pillar of The Nakhlak Underground Lead Excavation Network By Sublevel Stoping Method [Volume 7, Issue 4, 2023, Pages 27-39]
Sand production The Effect of Confining Pressure on the Sand Production in Hydrocarbon Reservoirs by Using Discrete Element Method [Volume 1, Issue 1, 2017, Pages 35-42]
Sand stone Experimental Investigation of Biological Injection for Enhancing Bearing Capacity of gravel Columns [Volume 8, Issue 2, 2024, Pages 89-99]
Sandstone Application of Numerical Simulation to Estimate Stress Damage Thresholds in Some Types of Sandstones [Volume 8, Issue 1, 2024, Pages 1-21]
Sarab Iron Mine The Impact of PowerDeck Application on Blasting Operations - A Case Study of the Sarab Iron Ore Mine [Volume 7, Issue 2, 2023, Pages 39-51]
Sarcheshme Copper Mine Determining the Orientation of Discontinuities Using the Drone Photography (A Case Study of the Bench at the 2450 Level of the West Wall of Sarchesheme Copper Mine [Volume 7, Issue 3, 2023, Pages 15-29]
Sarcheshmeh copper mine Optimizing Blast-Induced Ground Vibration Reduction Using an Integrated ANN-EOA Model: A Case Study of Sarcheshmeh Copper Mine [Volume 9, Issue 2, 2025, Pages 17-27]
Sardasht tunnel Design and optimization of tunnel lining at the intersection of Sardasht water transmission tunnel with the Zirmarg active fault [Volume 7, Issue 4, 2023, Pages 1-15]
Scaling law Presenting the scaling law using laboratory studies on the Sungun Porphyry (SP) rock type [Volume 5, Issue 2, 2021, Pages 36-42]
Scane Window Method Determining the Orientation of Discontinuities Using the Drone Photography (A Case Study of the Bench at the 2450 Level of the West Wall of Sarchesheme Copper Mine [Volume 7, Issue 3, 2023, Pages 15-29]
SCB CB CCNBD CNSRB samples Experimental and Numerical Investigation of Conventional Methods for Determining Mode I Fracture Toughness of Concrete [Volume 9, Issue 1, 2025, Pages 25-45]
Schmidt hardness index The correlation between Schmidt hardness index and P-wave velocity with uniaxial compressive strength of carbonate building stones [Volume 5, Issue 1, 2021, Pages 19-28]
Scour The Effect of Strength Parameters of Rock Joints on the Scoure Intensity of Stilling Basin behind a Dam [Volume 7, Issue 1, 2023, Pages 1-21]
SDMT Design, construction and implementation of the first in-situ test of a blade dilatometer equipped with a vibration-sensitive electronic sensor on Line 6 of Tehran Metro [Volume 6, Issue 3, 2022, Pages 1-12]
Secondary cracking Presenting a micromechanical failure model considering wing crack and secondary crack mechanisms simultaneously under dynamic loading [Volume 5, Issue 2, 2021, Pages 26-35]
Seimare and Talwar Dams Evaluation of analytical models for estimating cement slurry volume in jointed rock with an insight into injection results in the Seimare and Talwar dams [Volume 1, Issue 3, 2017, Pages 27-37]
Seismic Loading Numerical Validation of Seismic Analytical Solutions of Circular Tunnels (Case Study: Tehran Metro Line 6) [Volume 1, Issue 2, 2017, Pages 9-27]
Selection of optimal tunnel excavation method Selecting the optimal excavation method for the Zarrin Ardakan Yazd railway tunnel using the ELECTRE multi-criteria decision-making method [Volume 5, Issue 2, 2021, Pages 15-25]
Sensitivity analysis Numerical modeling of hydraulic fracturing using ABAQUS finite element software and determining the factors affecting the fracture initiation pressure [Volume 7, Issue 1, 2023, Pages 73-83]
Sensitivity analysis Investigating the uncertainty in the geotechnical profile of the tunnel route and its role in the occurrence of surface settlements [Volume 8, Issue 3, 2024, Pages 85-102]
Sensitivity analysis Assessing the Impact of TBM Operational Parameters on Penetration Rate through Machine Learning and Multi-Stage Feature Selection [Volume 9, Issue 1, 2025, Pages 61-79]
Sentinel-1 Investigating the unstable zones of Golgohar No. 3 iron ore mine using radar interferometric method [Volume 9, Issue 1, 2025, Pages 11-23]
Settlement Trough Numerical Analysis of Tunnel Deformation Behavior and Surface Settlement in Layered Clayey Soils with Emphasis on the Cover-to-Diameter Ratio [Volume 9, Issue 3, 2025, Pages 97-116]
SGR Method Complementing the SGR method with real data in estimating water inflow into rock tunnels [Volume 5, Issue 4, 2021, Pages 53-62]
Shadan gold-copper mine 3D modeling using the finite difference method to determine the effect of geometric and geomechanical parameters of the rock mass on the stability of the final wall slope of the Shadan gold-copper mine [Volume 5, Issue 1, 2021, Pages 67-81]
Shear Development of a new model to predict the shear strength of unfilled natural joints [Volume 8, Issue 3, 2024, Pages 103-110]
Shear disc Investigating the effect of varying penetration depth, area, and velocity on vertical and rotational forces acting on a V-shaped edge cutting disc [Volume 6, Issue 3, 2022, Pages 13-21]
Shearer Investigating the performance of shearer in long wall method using particle flow code. Case study: Tabas Parvaeh Mechanized Coal Mine [Volume 6, Issue 3, 2022, Pages 39-49]
Shear strength Investigation of shear behavior of rock sample which have discontinuities system made by 3D printer [Volume 8, Issue 3, 2024, Pages 39-55]
Shear wave velocity Design, construction and implementation of the first in-situ test of a blade dilatometer equipped with a vibration-sensitive electronic sensor on Line 6 of Tehran Metro [Volume 6, Issue 3, 2022, Pages 1-12]
Signal processing Acoustic Signal Processing During Drilling and Penetration Rate Analysis for Developing an Empirical Model to Predict the Mechanical Properties of Hard Rocks [Volume 7, Issue 4, 2023, Pages 17-25]
SLDP Determination of Longitudinal Deformation Profile for Supported Tunnels (SLDP) Using Numerical Modeling [Volume 1, Issue 1, 2017, Pages 25-33]
Slide-Head-Toppling Modeling of Slide-Head-Toppling Failure Using Limit Equilibrium and Finite Element Methods [Volume 7, Issue 3, 2023, Pages 61-75]
Slide software Modeling of Slide-Head-Toppling Failure Using Limit Equilibrium and Finite Element Methods [Volume 7, Issue 3, 2023, Pages 61-75]
Slope stability analysis The Influence of Shear Parameters of Matrix-Blocks Interface on Bimslope Stability [Volume 5, Issue 1, 2021, Pages 10-18]
Slope stability analysis Slope stability analysis using a distinct element method considering the effects of fluid flow in open pit mines [Volume 7, Issue 4, 2023, Pages 73-88]
Slope stabilizing An analytical method based on stress arching theory for stabilization of soil slopes using a single row of piles [Volume 8, Issue 4, 2024, Pages 15-25]
Slump Effect of some important parameters on soil conditioning [Volume 7, Issue 2, 2023, Pages 1-13]
Slurry Evaluation of analytical models for estimating cement slurry volume in jointed rock with an insight into injection results in the Seimare and Talwar dams [Volume 1, Issue 3, 2017, Pages 27-37]
Smooth Particle Hydrodynamics method Numerical modeling of rock cutting using high-pressure water jets [Volume 6, Issue 4, 2022, Pages 34-44]
Soft support Application of ductile anchors in inverts of hydraulic structures [Volume 6, Issue 4, 2022, Pages 10-18]
Soil Comparison of different methods for assessing the abrasion of soft soils in mechanized tunneling [Volume 1, Issue 3, 2017, Pages 1-16]
Soil and rock behavior model The importance of constitutive models on the accuracy and estimation of deep urban depression deformation [Volume 5, Issue 3, 2021, Pages 21-32]
Soil conditioning Effect of some important parameters on soil conditioning [Volume 7, Issue 2, 2023, Pages 1-13]
Soil displacement Numerical Modeling of Surface Subsidence during Excavation Sequences in the New Austrian Tunneling Method [Volume 7, Issue 1, 2023, Pages 85-106]
Soil Microbial stabilization Experimental Investigation of Biological Injection for Enhancing Bearing Capacity of gravel Columns [Volume 8, Issue 2, 2024, Pages 89-99]
Soil parameters Experimental and Statistical Evaluation of the Subgrade Reaction Modulus of Clayey Soils from Triaxial Test Results [Volume 9, Issue 2, 2025, Pages 1-16]
Soil-structure interaction Numerical Validation of Seismic Analytical Solutions of Circular Tunnels (Case Study: Tehran Metro Line 6) [Volume 1, Issue 2, 2017, Pages 9-27]
Southwest Iran Predicting the modulus of deformation of rock masses in southwestern Iran using multivariate linear regression [Volume 1, Issue 1, 2017, Pages 89-96]
Spatial Variability Three-dimensional effect of leading beam pre-retaining system on ground settlement under conditions of spatial variability of Young's modulus in NATM tunneling (case study) [Volume 5, Issue 4, 2021, Pages 76-88]
Squeezing environments Laboratory and numerical investigation of tunnel sections with high ductility concrete (HDC) elements located in squeezing environments [Volume 6, Issue 1, 2022, Pages 63-71]
Squeezing environments Increasing the energy absorption of tunnel lining sections by using High Deformable Concrete elements in squeezing environments [Volume 1, Issue 4, 2017, Pages 75-84]
Stability Analysis The importance of constitutive models on the accuracy and estimation of deep urban depression deformation [Volume 5, Issue 3, 2021, Pages 21-32]
Stability Analysis Numerical Modeling of the Stability of Intersection Resulted from Slope Tunnel and Access Tunnel in Tabas Coal Mine [Volume 7, Issue 3, 2023, Pages 1-13]
Stability Analysis Numerical Modeling of Evaluation The Stability of The Rock Pillar of The Nakhlak Underground Lead Excavation Network By Sublevel Stoping Method [Volume 7, Issue 4, 2023, Pages 27-39]
Stability Analysis Determining the Optimal Drilling Fluid Pressure for Oil Well Stability Using Geomechanical Modeling in ABAQUS Finite Element Software [Volume 9, Issue 3, 2025, Pages 41-59]
Staged excavation method Evaluation of ground settlement caused by tunneling using the staged excavation method in soft soils [Volume 6, Issue 2, 2022, Pages 52-67]
Statistical method Determination of the Powder Factor Based on Geomechanical Parameters of Rock Mass (Case Study - Seymareh Dam and Power Plant Project) [Volume 1, Issue 4, 2017, Pages 85-95]
Steel Fibers Investigating the Effect of Using Steel Fibers on the Strength Parameters of Concrete [Volume 7, Issue 4, 2023, Pages 57-72]
Step-by-step method Estimation of crack growth path in rock materials under combined loading I/II [Volume 1, Issue 3, 2017, Pages 17-26]
Stilling basin The Effect of Strength Parameters of Rock Joints on the Scoure Intensity of Stilling Basin behind a Dam [Volume 7, Issue 1, 2023, Pages 1-21]
Strain Energy Estimating the energy loss ratio in excavation by TBM based on the rock mass behavior model, case study "Second section of Karaj to Tehran water transfer tunnel" [Volume 6, Issue 4, 2022, Pages 45-54]
Strain Rate Presenting the scaling law using laboratory studies on the Sungun Porphyry (SP) rock type [Volume 5, Issue 2, 2021, Pages 36-42]
Streamline method Numerical investigation of flow pattern in a dual permeability environment in the presence of a diagonal fault using the streamline method [Volume 5, Issue 2, 2021, Pages 73-83]
Strength In-situ evaluation of compressive strength of rocks and repair mortars using the "torsion" method [Volume 6, Issue 1, 2022, Pages 31-38]
Strength Application of a new test for in-situ measurement of uniaxial compressive strength of rocks and concrete [Volume 6, Issue 3, 2022, Pages 50-57]
Strength parameters The Effect of Strength Parameters of Rock Joints on the Scoure Intensity of Stilling Basin behind a Dam [Volume 7, Issue 1, 2023, Pages 1-21]
Strength parameters The Influence of Shear Parameters of Matrix-Blocks Interface on Bimslope Stability [Volume 5, Issue 1, 2021, Pages 10-18]
Strength Parameters of Concrete Investigating the Effect of Using Steel Fibers on the Strength Parameters of Concrete [Volume 7, Issue 4, 2023, Pages 57-72]
Stress intensity Numerical investigation of the effect of cross-sectional area and stress intensity on the development of damage zone around tunnels in hard rock mass [Volume 6, Issue 1, 2022, Pages 15-30]
Stress intensity factor Numerical modeling of the coarse crack fracture mechanism in disk specimens [Volume 5, Issue 3, 2021, Pages 44-53]
Sublevel Stoping Method Numerical Modeling of Evaluation The Stability of The Rock Pillar of The Nakhlak Underground Lead Excavation Network By Sublevel Stoping Method [Volume 7, Issue 4, 2023, Pages 27-39]
Sub-loading Surface Providing a Unified Anisotropic Behavioral Model for Simulating the Behavior of Soft Rocks [Volume 8, Issue 1, 2024, Pages 37-49]
Sungun copper Presenting a micromechanical failure model considering wing crack and secondary crack mechanisms simultaneously under dynamic loading [Volume 5, Issue 2, 2021, Pages 26-35]
Sungun copper complex Presenting the scaling law using laboratory studies on the Sungun Porphyry (SP) rock type [Volume 5, Issue 2, 2021, Pages 36-42]
Sungun Copper Mine Assessment of the Ground Vibration Risk Caused By Blasting Using a Developed FMEA Approach in an Uncertain Environment [Volume 1, Issue 1, 2017, Pages 43-53]
Support stiffness Determination of Longitudinal Deformation Profile for Supported Tunnels (SLDP) Using Numerical Modeling [Volume 1, Issue 1, 2017, Pages 25-33]
Support Vector Machine Regression Investigating the performance of data-driven models in determining cement slurry pressure using a combined gamma test and genetic algorithm (GA-GT) method [Volume 5, Issue 4, 2021, Pages 29-38]
Support vector regression (SVR) Prediction of maximum ground surface subsidence induced by longwall mining using a hybrid support vector regression model optimized by golden eagle algorithm [Volume 8, Issue 4, 2024, Pages 27-51]
SVR Investigating the performance of data-driven models in determining cement slurry pressure using a combined gamma test and genetic algorithm (GA-GT) method [Volume 5, Issue 4, 2021, Pages 29-38]
Synthetic Aperture Radar Interferometry Investigating the unstable zones of Golgohar No. 3 iron ore mine using radar interferometric method [Volume 9, Issue 1, 2025, Pages 11-23]

T

Tabas coal mine Numerical Modeling of the Stability of Intersection Resulted from Slope Tunnel and Access Tunnel in Tabas Coal Mine [Volume 7, Issue 3, 2023, Pages 1-13]
Tabriz Metro The Estimation of TBM Penetration Rate using Artificial Neural Network Optimized with Particle Swarm Optimization and Firefly Algorithms, Case Study: Tabriz Metro Line 2 [Volume 9, Issue 1, 2025, Pages 47-60]
TBM Estimating the energy loss ratio in excavation by TBM based on the rock mass behavior model, case study "Second section of Karaj to Tehran water transfer tunnel" [Volume 6, Issue 4, 2022, Pages 45-54]
TBM Presenting an experimental model for predicting the blade consumption rate of full-section tunnel boring machines (TBM) [Volume 5, Issue 1, 2021, Pages 1-9]
TBM Comparison of different methods for assessing the abrasion of soft soils in mechanized tunneling [Volume 1, Issue 3, 2017, Pages 1-16]
TBM Investigating the Effect of Cutter Edge Shape on Rock Fragmentation Using PFC2D [Volume 1, Issue 2, 2017, Pages 75-88]
TBM performance Modification of RMR Rock Mass Classification System for TBM Performance Prediction in Various Rock Types [Volume 9, Issue 2, 2025, Pages 71-82]
TBM performance Analysis of the Effects of Fault Zones on the Boreability Index and TBM Performance in Tunneling Projects (Case Study: Karaj, Ghmroud, Nowsoud, and Kerman Water Conveyance Tunnels) [Volume 9, Issue 3, 2025, Pages 81-96]
Temperature Experimental study on temperature effect on the tensile fracture toughness of cement mortars containing micro-silica [Volume 8, Issue 1, 2024, Pages 51-65]
Temporary Storage Distribution function of random variable of shotcrete lining thickness in temporary tunnel support [Volume 1, Issue 1, 2017, Pages 55-67]
Thaw Settlement Modeling the Behavior of Frozen Soil Under Freeze/Thaw Cycles with Emphasis on Depth and Temperature Change Rate Parameters [Volume 9, Issue 2, 2025, Pages 29-41]
Theory of plastic deformation An analytical method based on stress arching theory for stabilization of soil slopes using a single row of piles [Volume 8, Issue 4, 2024, Pages 15-25]
Thermal cycle Modeling the Behavior of Frozen Soil Under Freeze/Thaw Cycles with Emphasis on Depth and Temperature Change Rate Parameters [Volume 9, Issue 2, 2025, Pages 29-41]
Three-point bending test Comparison of Indirect Tensile Strength Determination Methods for Samples Ranging from Fine-Grained to Coarse-Grained [Volume 9, Issue 3, 2025, Pages 23-39]
Thrust Prediction of penetration rate of EPB TBM machines in soft ground using neuro-fuzzy system (ANFIS) [Volume 7, Issue 2, 2023, Pages 15-27]
Time and Cost Uncertainty Providing the DAT Innovative Model to Estimate Time and Cost of Tunnel and Updating with the Data Acquired During Excavation [Volume 1, Issue 1, 2017, Pages 69-88]
Tool Wear Comparison of different methods for assessing the abrasion of soft soils in mechanized tunneling [Volume 1, Issue 3, 2017, Pages 1-16]
TOPSIS Optimal selection of stability system for railway tunnel improvement [Volume 5, Issue 4, 2021, Pages 1-12]
Tornado diagram Study of the stability of the diverted well wall using a quantitative risk assessment method in one of the fields in southwestern Iran [Volume 5, Issue 2, 2021, Pages 54-62]
Toughness Fatigue behavior of hard rocks under cyclic loading [Volume 1, Issue 4, 2017, Pages 23-33]
Trenchless technology Evaluation of Pipe Bursting operation on Adjacent Underground facilities Using 3D Numerical Analysis [Volume 8, Issue 4, 2024, Pages 89-99]
Triaxial test Experimental and Statistical Evaluation of the Subgrade Reaction Modulus of Clayey Soils from Triaxial Test Results [Volume 9, Issue 2, 2025, Pages 1-16]
True triaxial strength Development of a concentric-membrane cell for true triaxial stress testing of cylindrical rock samples [Volume 8, Issue 2, 2024, Pages 77-88]
True Triaxial Testing Machine Study of the Effect of Fracture Fluids Viscosity and Borehole Diameter on Hydraulic Fracturing Breakdown Pressure Using a Newly Developed True Triaxial Apparatus [Volume 1, Issue 2, 2017, Pages 89-98]
Tunnel Laboratory and numerical investigation of tunnel sections with high ductility concrete (HDC) elements located in squeezing environments [Volume 6, Issue 1, 2022, Pages 63-71]
Tunnel Distribution function of random variable of shotcrete lining thickness in temporary tunnel support [Volume 1, Issue 1, 2017, Pages 55-67]
Tunnel Presenting an experimental model for predicting the blade consumption rate of full-section tunnel boring machines (TBM) [Volume 5, Issue 1, 2021, Pages 1-9]
Tunnel Determination of the Powder Factor Based on Geomechanical Parameters of Rock Mass (Case Study - Seymareh Dam and Power Plant Project) [Volume 1, Issue 4, 2017, Pages 85-95]
Tunnel Increasing the energy absorption of tunnel lining sections by using High Deformable Concrete elements in squeezing environments [Volume 1, Issue 4, 2017, Pages 75-84]
Tunnel Boring Machine The effect of rock chipping on the penetration rate of tunnel boring machine [Volume 7, Issue 1, 2023, Pages 23-43]
Tunnel Boring Machine Determination of specific rock cutting forces and energy by numerical simulation of disc cutter performance in a full-section tunneling machine [Volume 1, Issue 3, 2017, Pages 55-66]
Tunnel Boring Machine Application of Time Series Model to Predict the Penetration Rate of Tunnel Boring Machine [Volume 1, Issue 4, 2017, Pages 63-73]
Tunnel boring machine performance Comparing the capabilities and efficiency of different methods in predicting tunnel boring machine performance and proposing the best method for presenting the model [Volume 6, Issue 2, 2022, Pages 31-42]
Tunnel Boring Machine Selection Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: Emam Zadeh Hashem Tunnel [Volume 1, Issue 2, 2017, Pages 29-40]
Tunnel Boring Machine (TBM) Investigating the relationship between the productivity of a double-shield tunnel boring machine and the rock mass scoring system [Volume 1, Issue 3, 2017, Pages 67-76]
Tunnel Boring Machine (TBM) Effect of Operating Parameters on TBM Disc Cutter Wear [Volume 7, Issue 3, 2023, Pages 31-39]
Tunnel Boring Machine (TBM) Assessing the Impact of TBM Operational Parameters on Penetration Rate through Machine Learning and Multi-Stage Feature Selection [Volume 9, Issue 1, 2025, Pages 61-79]
Tunnel Boring Machine (TBM) Machine Learning-Driven Prediction of TBM Penetration Rate in Pyroclastic Formations of the Alborz Mountains, Iran: Integrating LMR, ANN, and C&R Tree Models [(Articles in Press)]
Tunnel collapse Investigating the uncertainty in the geotechnical profile of the tunnel route and its role in the occurrence of surface settlements [Volume 8, Issue 3, 2024, Pages 85-102]
Tunneling Evaluation of ground settlement caused by tunneling using the staged excavation method in soft soils [Volume 6, Issue 2, 2022, Pages 52-67]
Tunneling Selecting the optimal excavation method for the Zarrin Ardakan Yazd railway tunnel using the ELECTRE multi-criteria decision-making method [Volume 5, Issue 2, 2021, Pages 15-25]
Tunneling operations Prediction of maximum ground surface settlement due to urban tunneling operations using GEP and MEP evolutionary algorithms [Volume 8, Issue 3, 2024, Pages 57-83]
Tunnel Inlet Water Complementing the SGR method with real data in estimating water inflow into rock tunnels [Volume 5, Issue 4, 2021, Pages 53-62]
Tunnel pre-treatment Numerical Modeling of the Pipe Roofing System for Tunnel Pre-Treatment (Case Study: Taleghan Tunnel) [Volume 8, Issue 1, 2024, Pages 83-97]
Tunnel settlement Development of an Adaptive Neuro-Fuzzy Inference System (ANFIS) for Intelligent Prediction of Tunnel Settlement and Evaluation of Predictive Accuracy Based on Convergence Monitoring Data [Volume 9, Issue 3, 2025, Pages 61-79]
Tunnel Surface Settlement Numerical Analysis of Tunnel Deformation Behavior and Surface Settlement in Layered Clayey Soils with Emphasis on the Cover-to-Diameter Ratio [Volume 9, Issue 3, 2025, Pages 97-116]
Two-dimensional numerical modeling Numerical investigation of the effect of cross-sectional area and stress intensity on the development of damage zone around tunnels in hard rock mass [Volume 6, Issue 1, 2022, Pages 15-30]

U

Ultrasonic Non-Destructive Testing Damage detection in cement mortar samples using wavelet transform analysis of non-destructive ultrasonic test results [Volume 8, Issue 4, 2024, Pages 65-87]
Uncertainty Uncertainty quantification in the prediction of the first destruction step in extracting a long wall mining with reliability analysis methods [Volume 5, Issue 2, 2021, Pages 92-102]
Uniaxial compressive strength The correlation between Schmidt hardness index and P-wave velocity with uniaxial compressive strength of carbonate building stones [Volume 5, Issue 1, 2021, Pages 19-28]
Uniaxial compressive strength Experimental and numerical analysis to evaluate the effect of core geometry and size on the uniaxial compressive strength of concrete [Volume 5, Issue 4, 2021, Pages 63-75]
Uniaxial compressive strength Investigation of the mechanical behavior of basalt samples with cracks of different numbers and angles under uniaxial compressive stress [Volume 1, Issue 4, 2017, Pages 1-9]
Uniaxial compressive strength Experimental Investigation of the Effect of Grain Size on the Mechanical Parameters and Mode I Fracture Toughness of Rock-Like Materials [Volume 8, Issue 2, 2024, Pages 21-34]
Uniaxial compressive strength (UCS) Controls of various cylindrical punch mandrel diameter on determination of uniaxial compressive strength of some sedimentary rocks of the Qom Formation [Volume 1, Issue 4, 2017, Pages 51-61]
Unified Model Providing a Unified Anisotropic Behavioral Model for Simulating the Behavior of Soft Rocks [Volume 8, Issue 1, 2024, Pages 37-49]
Uniformity index Investigating the effect of air deck length on fragmentation caused by blasting in Nardaghi limestone mine [Volume 9, Issue 1, 2025, Pages 1-10]
Updating the DAT Providing the DAT Innovative Model to Estimate Time and Cost of Tunnel and Updating with the Data Acquired During Excavation [Volume 1, Issue 1, 2017, Pages 69-88]
U-shaped notch Fracture analysis of rock-type U-notched components using single edge U-notched beam (SEUNB) sample [Volume 8, Issue 1, 2024, Pages 23-36]

W

Water inflow Assessment of Empirical and Analytical Methods for the Estimation of Water Intake into the Section 2 of Zagros Tunnel, Kermanshah, West Iran [Volume 9, Issue 3, 2025, Pages 1-21]
Wavelet Packet Transform Damage detection in cement mortar samples using wavelet transform analysis of non-destructive ultrasonic test results [Volume 8, Issue 4, 2024, Pages 65-87]
Wear Laboratory investigation of cutting tool wear of EPB-TBM machine [Volume 6, Issue 4, 2022, Pages 55-62]
Wear Presenting an experimental model for predicting the blade consumption rate of full-section tunnel boring machines (TBM) [Volume 5, Issue 1, 2021, Pages 1-9]
Wear test Effect of Operating Parameters on TBM Disc Cutter Wear [Volume 7, Issue 3, 2023, Pages 31-39]
Weibull distribution Comparison of fracture of cracked and non-cracked rounded-corner granular materials under uniaxial compressive loading with lateral confinement [Volume 5, Issue 2, 2021, Pages 1-14]
Well Logs Prediction of Elastic Parameters of Carbonate Reservoir from Well Logging Data Using Machine Learning and Multivariate Regression Methods [Volume 7, Issue 2, 2023, Pages 53-70]
Well wall stability Study of the stability of the diverted well wall using a quantitative risk assessment method in one of the fields in southwestern Iran [Volume 5, Issue 2, 2021, Pages 54-62]
Wipfrog Effect of Damping and Spacing to Rock Burrow Load Ratio on Rock Crushing Mechanism Using PFC2D and Wipfrog Software [Volume 5, Issue 4, 2021, Pages 20-28]
Workability Effect of some important parameters on soil conditioning [Volume 7, Issue 2, 2023, Pages 1-13]

JOURNAL OF ROCK MECHANICS

Keyword Index

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

Y

Z