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Proceedings of the Indian Geotechnical Conference 2022 Volume 5 : Geotechnics: Learning, Evaluation, Analysis and Practice (GEOLEAP)
Proceedings of the Indian Geotechnical Conference 2022 Volume 5 : Geotechnics: Learning, Evaluation, Analysis and Practice (GEOLEAP)
Autore Jose Babu T
Edizione [1st ed.]
Pubbl/distr/stampa Singapore : , : Springer Singapore Pte. Limited, , 2024
Descrizione fisica 1 online resource (517 pages)
Altri autori (Persone) SahooDipak Kumar
OommenThomas
MuthukkumaranKasinathan
ChandrakaranS
Santhosh KumarT. G
Collana Lecture Notes in Civil Engineering Series
ISBN 9789819733897
9789819733880
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Preface -- Contents -- About the Editors -- Theme-05-Rock Engineering, Tunnelling and Underground Structures -- Instrumentation of a Road Tunnel Under Overburden Loading of a Four-Storied Building Structure, in Lonavla, Maharashtra, India -- 1 Introduction -- 1.1 The Problem: (See Fig. 1) -- 1.2 The Design Parameters -- 1.3 FEM Analysis -- 1.4 FEM Analysis Results -- 2 Monitoring and Instrumentation -- 2.1 Multi-Point Borehole Extensometer (Ref Fig. 6) -- 2.2 Pressure Cells: (Ref Fig. 7) -- 2.3 Bi-Reflex Targets: (Ref Fig. 8) -- 3 Instrumentation Readings -- 4 Project Site Photos -- 5 Conclusion -- Stability Assessment and Support Design of a Tunnel Excavation in Different Rock Mass Conditions -- 1 Introduction -- 2 Methodology -- 3 Results and Discussions -- 3.1 Cases: Without Any Support Measure -- 3.2 Case: With Support Measure -- 4 Conclusion -- References -- Tunnel Face Stability in the Soil Medium Under Collapse and Blowup Conditions -- 1 Introduction -- 2 Face Pressure Model -- 3 Derivation of Face Pressure for Collapse and Blowout Conditions -- 3.1 Collapse Condition -- 3.2 Blowout Condition -- 4 Validation of the Present Model with the Existing Model -- 5 Parametric Study -- 5.1 Cover-to-Diameter Ratio (C/D) -- 5.2 Friction Angle (φ) -- 5.3 Cohesion (c) -- 5.4 Tunnel Diameter (D) -- 5.5 Water Table Effect -- 6 Significance of the Present Study -- 7 Conclusions -- References -- Numerical Investigations on Strip Footing Near Vertical Cut Rockmass Cliff -- 1 Introduction -- 2 Problem Statement -- 3 FELA Model -- 3.1 Hoek and Brown Model and Input Parameters -- 3.2 Validation of FELA Model -- 4 Results and Discussion -- 5 Conclusions -- References -- Sensitivity Analysis of Stability of Rockmass Slope Using Finite Element Limit Analysis -- 1 Introduction -- 2 Finite Element Limit Analysis -- 2.1 FELA Model -- 2.2 Validation.
2.3 Sensitivity Analysis -- 3 Results and Discussion -- 3.1 Effect of Strength Parameters -- 3.2 Effect of Deformation Parameters -- 3.3 Effect of Geometrical Parameters -- 3.4 Spider and Tornado Representation -- 4 Conclusions -- References -- Influence of Weathering on Mechanical Behaviour of Garnetiferous Quartzo-Feldspathic Biotite Gneiss -- 1 Introduction -- 2 Experimental Work -- 2.1 Mineralogical Composition -- 3 Results and Discussion -- 3.1 Physical Properties -- 3.2 Mechanical Behaviour -- 3.3 Durability -- 4 Conclusions -- References -- Laboratory Assessment for Frictional and Joint Deformation Properties of Rock -- 1 Introduction -- 2 Experimental Work -- 2.1 Joint Normal Stiffness -- 3 Results and Discussion -- 3.1 Shear Behaviour of Joints -- 3.2 Normal Stiffness (kn) and Shear Stiffness (ks) of Joints -- 4 Conclusions -- References -- Analysis of Twin-Bored Tunnel Using Plaxis 3D for the Proposed Metro Rail at Coimbatore District -- 1 Introduction -- 1.1 General -- 1.2 Tunnel Boring Machine (TBM) -- 1.3 Study Area -- 1.4 Numerical Analysis -- 2 Geotechnical Details, Tunnel Parameters, Artificial Ground Motion, and 3D Model -- 2.1 Geotechnical Details -- 2.2 Tunnel Details -- 2.3 Artificial Ground Motion -- 3 Methodology -- 4 Results and Discussions -- 4.1 General -- 4.2 Displacement Characteristics -- 4.3 Stress Characteristics -- 4.4 Strain Characteristics -- 5 Conclusion -- References -- Influence of Density on the Dynamic Properties of Intact Rock Masses -- 1 Introduction -- 2 2. Materials and Methodology -- 2.1 Materials and Sample preparation -- 2.2 Testing Technique and Measurements of Dynamic Properties in Shear and Flexure -- 3 Measurement of Strain Amplitude for Shear and Flexure -- 4 Analysis and Discussions -- 4.1 Influence of Density on Static Unconfined Compressive Strength.
4.2 Influence of Density on the Dynamic Properties of Gypsum Plaster -- 4.3 Influence of Density on the Poisson's Ratio -- 4.4 Normalized Shear Modulus Reduction Curve -- 4.5 Dynamic Increase Factor -- 5 Conclusions -- References -- Brittle-Ductile Transition of Oil Shale -- 1 Introduction -- 2 Geology and Sample Preparation -- 3 Mineralogy and Physical Properties -- 4 Uniaxial and Triaxial Testing Equipment -- 5 Results and Discussions -- 5.1 Strength Behaviour -- 5.2 Brittle-Ductile Transition -- 6 Conclusions -- References -- Numerical Simulation Study on Detection of Subsurface Microcrack Using Active Infrared Thermography -- 1 Introduction -- 2 Simulation and Modelling -- 2.1 Model Geometry -- 2.2 Mesh Creation -- 2.3 Heat Transfer Simulation -- 3 Algorithm for Post-processing -- 4 Results and Discussions -- 4.1 Single-Pixel Profile -- 4.2 Effect of Crack Tilt Angle in the Detection Potential -- 5 Conclusions -- References -- Comparison of Joint Models Used for the Propagation of Shear Waves Across Jointed Rocks -- 1 Introduction -- 2 Laboratory Experiments Using Split Shear Plates -- 3 Numerical Simulation Using Three-Dimensional Distinct Element Code (3DEC) -- 4 Results and Discussions -- 4.1 Parametric Study Using Numerical Simulations -- 5 Conclusions -- References -- Time-Dependent Behaviour of Underground Openings in Rock Salt -- 1 Introduction -- 2 Numerical Simulation -- 2.1 FE Model -- 2.2 Modelling the Creep Behaviour -- 3 Parametric Study and Discussions -- 3.1 Effect of Time on Deformations -- 3.2 Effect of Overburden Depth -- 3.3 Effect of Aspect Ratio -- 3.4 Contour Plots -- 4 Conclusions -- References -- Mechanical Behaviour of Rocklike Material with an Open Flaw Under Triaxial Loading -- 1 Introduction -- 2 Experimental Study -- 2.1 Preparation of Rocklike Specimens -- 2.2 Testing Apparatus -- 3 Results and Discussion.
3.1 Stress-Strain Behaviour of Open-Flawed Rocklike Specimens Under Triaxial Compression -- 3.2 Influence of Confining Pressure on Triaxial Strength of Open-Flawed Rocklike Specimens -- 3.3 Failure of Open-Flawed Rocklike Specimens Under Triaxial Compression -- 4 Conclusions -- References -- An Explicit Finite Element Approach to TBM Disc Cutter-Induced Rock Fragmentation Simulation -- 1 Introduction -- 2 Failure Mechanism of Breaking Rock -- 3 Rock Fragmentation Modelling -- 3.1 Element Size -- 3.2 Contact and Detection -- 3.3 Fracture Initiation Criteria -- 3.4 Disc Cutter Advancing Speed -- 4 Single Disc Cutter Rock Fragmentation Process -- 5 Numerical Results and Discussion -- 6 Summary and Conclusion -- References -- Estimation of Compressive Strength of Rocks Using Non-destructive Testing Methods -- 1 Introduction -- 2 Sample Preparation and Testing -- 3 Results and Discussions -- 4 Conclusions -- References -- Performance of Sub-rectangular Tunnel Under Static and Dynamic Loading -- 1 Introduction -- 2 Literature Review -- 3 Numerical Analyses -- 4 Geometric Details of Tunnel Sections -- 5 Results and Discussion -- 6 Conclusions -- References -- Chronological and Mathematical Development of True Triaxial Failure Criteria of Brittle Rocks -- 1 Introduction -- 2 Review of Existing Stress-Based Criteria -- 2.1 Coulomb Criterion -- 2.2 Mohr-Coulomb Criterion -- 2.3 Griffith's Criterion -- 2.4 Nadai Criterion -- 2.5 Wiebols and Cook Criterion -- 2.6 Mogi Criterion -- 2.7 Hoek-Brown Criterion -- 2.8 Rao Criterion -- 2.9 Bresler-Pister Criteria -- 2.10 Johnson-Holmquist Model -- 2.11 Ottosen Criterion -- 2.12 Feng et al. Criterion -- 3 Review of Existing Strain-Based Criteria -- 3.1 Stacey Extension Strain Criterion -- 3.2 Sakurai Critical Strain Criterion -- 3.3 Fujii Critical Tensile Strain Criterion.
3.4 Kwasniewski and Takahashi Critical Strain Criterion -- 4 Comparative Studies of Stress Response of Rocks Under Polyaxial Stress Conditions -- 5 Discussion and Conclusion -- References -- Study on Influence of Fault Dip Angle on Tunnel Lining -- 1 Introduction -- 2 Finite Element Numerical Modelling -- 3 Results and Discussion -- 3.1 Analysis of Tunnel Lining Deformation for Different Dip Angles -- 3.2 Analysis of Axial Forces in Tunnel Lining Along the Length of the Tunnel for Different Dip Angles -- 3.3 Analysis of Bending Moments in Tunnel Lining Along the Length of the Tunnel for Different Dip Angles -- 4 Conclusion -- References -- Numerical Back Analyses of Time-Dependent Deformations of Tunnels in the Himalayas -- 1 Introduction -- 2 Study Area and Difficulties Encountered During Tunnelling -- 3 Numerical Simulation -- 3.1 Visco-Elastic Perfectly Plastic Model -- 3.2 Numerical Model -- 4 Results and Discussions -- 5 Conclusions -- References -- Engineering Geological Investigations and Assessments of Support System of Delivery Mains of Package-6 of Kaleshwaram Lift Irrigation Scheme, Telangana State, India -- 1 Introduction -- 2 Project Site Location -- 3 Regional and Project Site Geology -- 4 Engineering Geological Investigations of Delivery Mains -- 5 Excavation Methodology and Challenges -- 6 Rock Mass Classification Systems -- 7 Assessment of Rock Support Design Using RMR and Q Systems -- 8 Conclusion -- References -- Evaluation of Properties of Shotcrete Material for Underground Cavern for Hydro Power Project -- 1 Introduction -- 2 Specimen Details -- 2.1 Shotcrete Beam Specimens -- 2.2 Steel Fibers -- 3 Material Test System -- 3.1 Sample 40/A -- 3.2 Sample 50/B -- 3.3 Sample 30/C -- 3.4 MTS Bend Test Fixture -- 3.5 Analysis of Load-Deflection Curve -- 3.6 Calculation -- 3.7 Calculation for I5, I10, I20 -- 3.8 Properties.
4 Conclusions.
Record Nr. UNINA-9910874685003321
Jose Babu T  
Singapore : , : Springer Singapore Pte. Limited, , 2024
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Proceedings of the Indian Geotechnical Conference 2022 Volume 6 : Geotechnics: Learning, Evaluation, Analysis and Practice (GEOLEAP)
Proceedings of the Indian Geotechnical Conference 2022 Volume 6 : Geotechnics: Learning, Evaluation, Analysis and Practice (GEOLEAP)
Autore Jose Babu T
Edizione [1st ed.]
Pubbl/distr/stampa Singapore : , : Springer, , 2024
Descrizione fisica 1 online resource (400 pages)
Altri autori (Persone) SahooDipak Kumar
OommenThomas
MuthukkumaranKasinathan
ChandrakaranS
Santhosh KumarT. G
Collana Lecture Notes in Civil Engineering Series
ISBN 9789819733934
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Preface -- Contents -- About the Editors -- Slope Stability, Landslides and Liquefaction -- Slope Repairing Methodologies in Railway Embankment -- 1 Introduction -- 2 Site Location -- 3 Identified Problems -- 4 Fills Conditions -- 5 Methodology Adopted -- 6 Suggested Solutions -- 7 Slope Stability Analysis -- 8 Suggestive Measures on Vegetations -- 9 Conclusions -- References -- Rainfall-Induced Landslide Hazard Analysis of Noonmati-Sunsali Hill Series in Guwahati City, Assam: A Physically-Based Model Approach -- 1 Introduction -- 2 Study Area: Noonmati-Sunsali Hill Series, Guwahati City -- 2.1 Geographical and Geological Setting -- 2.2 Climatic Setting -- 3 Characteristics of Hillslope Materials -- 4 Physically Based Model: TRIGRS -- 4.1 TRIGRS Simulation and Its Input Parameters -- 5 Intensity-Duration-Frequency of Rainfall Events -- 6 Results and Discussions -- 7 Conclusions -- References -- Review of Experimental Studies on Rainfall-Induced Landslide Using the Laboratory Flume Technique -- 1 Introduction -- 1.1 General -- 1.2 History -- 2 Instrumentation -- 3 Future Scope -- 4 Conclusion -- References -- Landslide Simulations and Stability Assessment of Puthumala Hill Soil Slope in the Meppady Region of Wayanad in Kerala -- 1 Introduction -- 2 Description of the Study Area -- 3 Landslide Simulation Using LS-Rapid Software -- 3.1 Rainfall-Induced Landslide Simulation -- 3.2 Seismically Induced Landslide Simulation -- 4 Slope Stability Assessment -- 4.1 Mitigation Measures -- 5 Summary and Conclusions -- References -- Prediction of Liquefaction Probability Based on Simplified and Ground Response Analysis Method -- 1 Introduction -- 2 Geotechnical Investigation -- 3 Evaluation of Soil Liquefaction -- 4 Results and Discussion -- 5 Conclusions -- References.
Analysis of Liquefaction and Its Mitigation for Soil Under Open Foundation of Structure-A Case Study of Road Project in West Bengal, India -- 1 Introduction -- 2 Geotechnical Investigation and Subsurface Stratifications -- 2.1 Regional Geology of Project Area -- 2.2 Seismic Condition of the Project Road -- 2.3 Location of Ground Water Table (GWT) -- 2.4 Subsurface Stratifications -- 3 Liquefaction of Soil and Its Post-occurrence Effects -- 3.1 Introduction to Liquefaction of Soil -- 3.2 Factors Affecting Liquefaction Susceptibility of Soil -- 3.3 Evaluation of Liquefaction Potential of Soil -- 3.4 Evaluation of Anticipated Liquefaction-Induced Ground Deformation -- 4 Ground Treatment for Liquefaction Mitigations of Soils -- 4.1 Densification Method of Ground Treatment -- 4.2 Assessment of Anticipated Liquefaction Potential and Its Post-occurrence Effect for Treated Foundation Soil -- 5 Summary -- References -- Evaluation of Equivalent Peak Load for a Plant Species Using Root Perpendicular Model and Fiber Bundle Model -- 1 Introduction -- 2 Methodology -- 2.1 Root Architectural Characteristics -- 2.2 Root Mechanical Testing -- 2.3 Root Reinforcement -- 3 Results -- 3.1 Root Characteristics -- 3.2 Equivalent Load Contribution from Different Reinforcement Models -- 4 Discussion -- 5 Conclusion -- References -- Analysis of Slope Stability Using SLOPE/W Software -- 1 Introduction -- 2 Study Area -- 3 Objectives of the Study -- 4 Literature Review -- 5 Laboratory Investigation -- 6 Numerical Assessment of Slope Stability -- 6.1 Model Validation -- 6.2 Slope Stability Analysis Using SLOPE/W -- 6.3 Results and Discussion -- 7 Conclusion -- References -- Rockfall Hazard in Himalayan Region: Assessment and Review of Trajectory Analysis Parameters for Mitigation Strategies -- 1 Introduction -- 2 Methodology -- 3 Rockfall Trajectory Input and Output Data.
3.1 Area of Investigation -- 3.2 Rockfall Data -- 4 Mitigation Measure -- 4.1 RPE Design Steps -- 5 Summary -- References -- Stability Analyses of Alluvial Riverbanks of Majuli Island, Upper Assam, India -- 1 Introduction -- 2 Materials and Methodology -- 2.1 Materials Used -- 2.2 Methodology -- 3 Result and Discussions -- 3.1 Stability Calculation for the Riverbanks Taking FOS = 1.25 -- 4 Conclusions -- References -- Slope Stability Analysis of Landslide Susceptible Areas-A Study in the Western Ghats, Kerala -- 1 Introduction -- 2 Materials and Methods -- 3 Results and Discussions -- 4 Conclusion -- References -- Liquefaction Analysis of Soil Profile Underneath the Multi-storey Building -- 1 Introduction -- 1.1 Soil Liquefaction -- 2 Numerical Modelling and Analysis -- 2.1 Material Models and Input Parameters -- 2.2 Meshing and Boundary Conditions -- 2.3 Liquefaction Susceptibility of Soil Profile with and Without Building Structure -- 2.4 Peak Ground Acceleration -- 2.5 Density of Liquefiable Sand Layer -- 2.6 Depth of Liquefiable Sand Layer -- 3 Conclusions -- References -- Mitigation of Micro and Macro-Landslides-A Case Study -- 1 Introduction -- 1.1 Mitigation of the Hazards of Landslide on Humans -- 1.2 Effect of Landslide on Human Beings -- 2 Landslides in Study Area (Kodagu District, Karnataka) -- 2.1 Upshot for Landslides in Kodagu District -- 3 Reasons Behind Disaster in Kodagu -- 3.1 To Enhance Tourism Growth and Infrastructure Development Increase in Deforestation -- 3.2 Unauthorized Mining Activities -- 3.3 Massive Deforestation in Kodagu -- 3.4 Rise in Water Level -- 3.5 Setting Up of Massive Ponds -- 3.6 Reducing Vegetation Along Slopes -- 3.7 Minor Earthquake in Some Regions -- 3.8 Construction of Road in Unscientific Manner -- 4 Study Area -- 5 Method -- 5.1 Soil Parameters Adopted for This Study -- 5.2 Stability Analysis.
6 Result Analysis -- 6.1 Mitigative Measures -- 7 Conclusion -- 7.1 Recommendations -- References -- Glacial Lake Outburst Floods: A Review of Events, Causes, and Impact -- 1 Introduction -- 2 Glacial Lakes and GLOFs -- 2.1 Methodologies -- 2.2 Empirical Equations for Discharge Estimation and Stability of Moraine Dams -- 3 Estimation of Peak Discharge of Reported Cases -- 4 Concluding Remarks -- References -- Hydrological Modification of Laterite Soil Considering Root Soil Interaction -- 1 Introduction -- 2 Objectives -- 3 Materials and Methodology -- 4 Results and Discussion -- 4.1 Variation of Root Biomass with Plant Age -- 4.2 Effect of Roots on SWRC -- 4.3 Effect of Plant Roots on Porosity and Permeability -- 5 Conclusion -- References -- Rehabilitation of a Distressed Vertical Cut in Lateritic Soil -- 1 Introduction -- 2 Delayed Failure in Laterite Cuts -- 3 Hydrology and Slope Failures -- 4 Stability of Cuts and Natural Slopes -- 5 Failure of the Vertical Cut Slope -- 6 Subsoil Conditions -- 7 Rehabilitation Proposal -- 8 Numerical Simulation and Stability Analysis -- 9 Closure -- References -- A Preliminary Experimental Study of Mitigating Coastal Erosion by Microbially Induced Carbonate Precipitation (MICP) Using Laboratory Microcosm -- 1 Introduction -- 2 Materials -- 2.1 Soil -- 2.2 Bacteria Culturing -- 2.3 Cementation Solution -- 3 Methodology -- 3.1 Beach Slope Samples -- 3.2 Method of Treatment Adopted -- 3.3 Method for Erosion Tests -- 4 Results and Discussions -- 4.1 Shear Strength -- 4.2 Erosion Tests -- 5 Conclusions -- References -- Evaluation of Liquefaction Potential of Sandy Soil from Cyclic Simple Shear Test-A Case Study -- 1 Introduction -- 2 General Concept of Ground Shaking -- 3 Cyclic Simple Shear Device -- 3.1 Importance of Cyclic Simple Shear Device -- 3.2 Test Operation -- 3.3 Limitation of Cyclic Simple Shear Device.
4 Factors Affecting Liquefaction -- 5 Various Methods to Assess Liquefaction Potential -- 6 Methodology Adopted to Evaluate Liquefaction Potential -- 7 Case Study of Shahpurkandi Dam Project, Punjab -- 7.1 Laboratory Investigation -- 7.2 Assessment of Liquefaction Potential Based on DBE -- 7.3 Assessing Liquefaction Based on Zone Factor -- 8 Conclusion -- References -- Landslide Risk Assessment and Mitigation-Kottayam-Kumili Road Case Study -- 1 Introduction -- 2 Study Area -- 3 Geospatial Data -- 4 Land Use Map -- 5 Slope Map -- 6 Relative Relief -- 7 Drainage Map -- 8 Landslide Hazard Zonation Map -- 9 Experimental Results -- 10 Stability Analysis -- 11 Design of Micropile -- 12 Stability Analysis with Piles -- 13 Conclusion -- References -- Comparison of 2D and 3D Slope Stability Analysis Using Limit Equilibrium Method -- 1 Introduction -- 2 Methodology -- 2.1 2D and 3D Slope Geometric Design -- 2.2 2D Formulation of Bishop Simplified Analysis -- 2.3 3D Formulation of Bishop Simplified Analysis -- 3 Results and Discussion -- 3.1 Comparative Study of Homogeneous Soil for 2D and 3D Slope Stability Analysis -- 4 Conclusions -- References -- Probabilistic Evaluation of Liquefaction Potential Using Multivariate Adaptive Regression Splines -- 1 Introduction -- 2 Comparison of Factor of Safety Determined Using Different Methods -- 3 Development of MARS Model and Reliability Studies -- 3.1 Study Area and Datasets Selected for Liquefaction Analysis -- 3.2 Effect of Soil Plasticity Against Liquefaction -- 3.3 Reliability Analysis Based on the Developed MARS Model -- 3.4 Probabilistic Sensitivity Analyses of the Random Variables -- 4 Conclusions -- References -- Slope Stability and Damming Probability Assessment of a Recurrent Landslide in Garhwal Himalayas -- 1 Introduction -- 2 Study Area -- 3 Methodology -- 3.1 Rock Mass Classification System.
3.2 Numerical Simulation.
Record Nr. UNINA-9910874690603321
Jose Babu T  
Singapore : , : Springer, , 2024
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui