Proceedings of the Indian Geotechnical Conference 2022 Volume 2 : Geotechnics: Learning, Evaluation, Analysis and Practice (GEOLEAP)

• Autore: Jose Babu T
• Pubblicazione: Singapore : , : Springer Singapore Pte. Limited, , 2024; ©2024
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (370 pages)
• Altri autori: SahooDipak Kumar ShinEun Chul ChoudhuryDeepankar JosephAnil PaiRahul R
• Nota di contenuto: Intro -- Preface -- Contents -- About the Editors -- Shallow and Deep Foundations -- Bearing Pressure of Foundation on Strong Layer Overlying Weak Clay Accounting for Compressibility -- 1 Introduction -- 2 Problem Definition -- 3 Methodology -- 4 Results -- 5 Conclusions -- References -- Interaction Effects for Large Piled Rafts in Clay Soil -- 1 Introduction -- 2 3D Numerical Modeling -- 2.1 Boundary Conditions, Meshing, and Soil Modeling -- 2.2 Validation -- 3 Numerical Analyses -- 3.1 Piled-Raft Interactions and Load Sharing -- 3.2 Results and Discussion -- 4 Conclusions -- References -- Analysis of Vertically Loaded Pile-Raft Foundation on Cohesionless Soil Using ABAQUS -- 1 Introduction -- 2 Numerical Modelling -- 3 Geometric Modelling -- 4 Material Properties -- 4.1 Material Properties of Sand -- 4.2 Properties of Pile-Raft -- 5 Mesh Generation -- 6 Result and Discussion -- 6.1 Load Variation of Raft, Pile, and Piled-Raft Foundation -- 6.2 Combined Pile-Raft Load Sharing -- 7 Conclusions -- References -- Undrained Bearing Pressure of Desiccated Non-homogeneous Ground Accounting for Compressibility -- 1 Introduction -- 2 Problem Description -- 3 Finite Element Model -- 4 Results -- 5 Conclusions -- References -- Pile Termination Criteria for Rock Socketed Piles in Chennai Metro Project -- 1 Introduction -- 2 Geotechnical Parameters -- 3 Pile Termination Criteria -- 3.1 IS 2911 Part 1-Section 2 Method -- 3.2 IRC 78 Method -- 3.3 IS 14593 Method -- 3.4 Pile Penetration Rate Method -- 4 Comparison -- 5 Conclusion -- References -- Assessment of Predictive Equations of Extents of Failure Zone in Sand Beneath the Cutting Edge of Open Caisson Using Image Analysis -- 1 Introduction -- 2 Experimental Program -- 2.1 Test Setup and Sand Used in the Study -- 2.2 Caisson Models -- 2.3 Data Processing -- 2.4 Camera and Test Procedure. ; 3 Results and Discussion -- 3.1 Assessment of the Predictive Equations -- 4 Conclusions -- References -- Analysis of Settlement Profiles of Shallow Strip Footings Resting on Geosynthetic-Reinforced Sands -- 1 Introduction -- 2 Materials -- 2.1 Sand and Geosynthetic -- 3 Experimental Set-Up -- 3.1 Model Parameters and Instrumentation Details -- 3.2 Sand Bed Preparation and Testing Program -- 4 Results and Discussion -- 4.1 Effect of Number of Reinforcement Layers on the Load-Spread Angle -- 5 Conclusions -- References -- Group Efficiency Ratio of Pile Groups Subjected to Harmonic Vibration -- 1 Introduction -- 2 Background -- 2.1 Experimental Study -- 2.2 Continuum Approach -- 3 Results and Discussion -- 3.1 Stiffness and Damping of Soil-Pile System -- 3.2 Group Efficiency Ratio (GER) -- 4 Conclusions -- References -- Effect of Fin Inclination on Different Shapes of Fin Under Axial Load -- 1 Introduction -- 2 Numerical Modeling -- 3 3D Geometry of Fin Pile and Meshing -- 4 Results and Discussions -- 4.1 Effect of Fin Shape on Vertical Capacity -- 4.2 Effect of fin Inclination on Vertical Capacity -- 4.3 Effect of Sand Density on Vertical Capacity -- 4.4 Effect of Number of Piles on Vertical Capacity -- 5 Conclusions -- References -- Undrained Uplift Capacity of Under-reamed Pile in Layered Clays -- 1 Introduction -- 2 Problem Statement -- 3 Validation -- 4 Results and Discussion -- 5 Conclusions -- References -- A Review of the Design and Axial Capacity Calculation Practices for Helical Piles -- 1 Introduction -- 2 Typical Helical Pile Model -- 2.1 Main Components of Helical Piles -- 2.2 General Specifications -- 3 Failure Mechanism and Load Distribution in Helical Piles -- 4 Factors Influencing Helical Pile Capacity -- 4.1 Embedment Ratio (H/D) -- 4.2 Spacing Ratio (s/D) -- 4.3 Number of Helices -- 4.4 Helix and Shaft Diameter -- 4.5 Pitch. ; 4.6 Installation Disturbance -- 5 Determination of Axial Capacity of Helical Piles -- 5.1 Analytical Models Based on Cylindrical Shear Failure Method -- 5.2 Analytical Models Based on Individual Shear Failure Method -- 5.3 Empirical Models for Determining Helical Pile Capacity -- 5.4 Numerical Modeling -- 6 Case Study -- 7 Conclusion -- References -- Connected Versus Disconnected Piled Raft Systems: A Comparative Experimental Assessment -- 1 Introduction and Background -- 1.1 Materials for Experiment -- 1.2 Test Program -- 2 Results and Discussion -- 2.1 Load-Settlement Performances of CPR and DPR -- 2.2 Foundation Stiffness -- 2.3 Pile-Raft Load Sharing -- 3 Limitations and Future Scope of the Present Study -- 4 Conclusion -- References -- Study on Mechanism of Load Transfer in Pile Raft Foundation -- 1 Introduction -- 2 Problem Statement -- 3 Mechanism of Load Transfer -- 4 Concluding Remarks -- References -- Behavior of Soil in OWT Monopile Foundation Subjected to Torsion -- 1 Introduction -- 1.1 Numerical Study -- 2 Results -- 2.1 Variation of Cyclic Secant Stiffness with Increasing Number of Cycles -- 2.2 Variation of Shear Stress due to the Application of Lateral Loads in Sand -- 2.3 Variation of Shear Stress due to the Application of Pure Static Torsion in Sand -- 3 Parametric Study -- 3.1 Effect of Embedded Length of the Monopile in Sandy Soil -- 3.2 Effect of Various Soil Strata -- 4 Experimental Investigation -- 4.1 Experimental Program -- 4.2 Experimental Results and Validation Shear Strength Calculation -- 5 Conclusions -- References -- Evaluation of Nonlinear Load Sharing Ratio of Pile and Raft in Piled Raft Foundation in Cohesionless Soil -- 1 Introduction -- 2 Experimental Setup -- 3 Numerical Modeling Procedure -- 4 Results and Discussions -- 4.1 Experimental Investigations -- 4.2 Numerical Analysis -- 5 Conclusion -- References. ; Settlement-Based Load-Sharing Ratio Variation for Large Piled-Rafts -- 1 Introduction -- 2 Numerical Modeling -- 2.1 Domain Size and Mesh Convergence -- 2.2 Material Models -- 2.3 Model Validation -- 3 Results and Discussions -- 3.1 Individual Load-Settlement Responses of Raft and Piles in PR -- 3.2 Variation of Load-Sharing Ratio with Settlement -- 4 Conclusions -- References -- Numerical Analysis of Reinforced Ring Foundation Subjected to Eccentric-Inclined Loading -- 1 Introduction -- 2 Analysis Methods and Illustrative Example -- 3 Results and Discussion -- 3.1 Study 1: Effect of Size of Ring Footing -- 3.2 Study 2: Effect of Depth of First Layer of Geogrid -- 3.3 Study 3: Effect of Inter-layer Distance in Successive Geogrid Layers -- 3.4 Study 4: Effect of Variation of Number of Geogrid Layers -- 3.5 Study 5: Effect of Variation of Width of Geogrid Layers -- 3.6 Study 6: Effect of Variation of Load Eccentricity and Inclination -- 4 Conclusions -- References -- Load-Settlement Behavior of Composite Caisson-Pile Foundation (CCPF) in Sand -- 1 Introduction -- 2 Material and Methods -- 2.1 Material Characterization -- 2.2 Test Setup and Loading Arrangement -- 2.3 Test Procedure and Schemes -- 3 Results and Discussions -- 3.1 Load-Settlement Response -- 3.2 Load Improvement Ratio -- 4 Conclusions -- References -- Behavior of Bridge Abutment Foundation in Mixed Ground Condition -- 1 Introduction -- 2 Model of the Case Study -- 3 Analysis and Presentation of Results -- 4 Discussions on Results -- 5 Conclusions -- References -- Pile Capacity Estimation Considering Variability in Soil Adhesion Factor -- 1 Introduction -- 2 Methodology -- 2.1 Analytical Equations for Estimating Adhesion Factor Values -- 2.2 Finite Element Modeling -- 2.3 Interface Modeling -- 2.4 Pile Load Test Data -- 3 Results. ; 3.1 Analytical Results of Adhesion Factor Using Various Methods -- 3.2 Results of Numerical Analysis -- 4 Conclusions -- References -- V-H Capacity Envelopes of Strip Footings on Cohesionless Soil Overlying Soft Rock Mass -- 1 Introduction -- 2 Problem Statement -- 3 FE Modeling and Analysis -- 4 Results and Discussions -- 5 Conclusions -- References -- Numerical Analysis of Skirted Foundation on Sand for Load-Displacement Behaviour -- 1 Introduction -- 2 Literature Review -- 3 Methodology -- 4 Numerical Analysis -- 5 Results and Discussions -- 6 Conclusions -- References -- Evaluation of Nonlinear Response of Block Foundation Subjected to Vertical Vibration -- 1 Introduction -- 2 Geotechnical Characterization of Site Soil -- 3 Experimental Investigations -- 4 Theoretical Investigations -- 5 Conclusions -- References -- Lateral Behavior of a Long Pile with Load Application Above Ground: A Case Study -- 1 Introduction -- 2 Site and Subsoil Conditions -- 3 Numerical Analysis -- 3.1 Effect of Mesh Coarseness on Deflection Pattern (FEM Analysis) -- 3.2 Diameter Effects (P-Y Method of Analysis) -- 4 Field Load Test -- 5 Comparison of Numerical Methods and Field Test Results -- 6 Conclusion -- References -- Foundation for an 85 m High Bungy-Jumping Tower at Rishikesh -- 1 Introduction -- 2 Project Details -- 2.1 General -- 2.2 Location -- 2.3 Project Features -- 2.4 Structural and Architectural Details -- 3 Site Conditions -- 3.1 Regional Geology -- 3.2 Site Geology -- 3.3 Site Description -- 3.4 Stratigraphy -- 4 Foundation Design -- 4.1 Net Bearing Pressure for Design -- 4.2 Slope Stability -- 4.3 Slope Protection Measures -- 4.4 Foundation Construction -- 5 Concluding Remarks -- References -- Experimental Study of Circular Shallow Footing on the Top of Slope -- 1 Introduction -- 2 Materials -- 3 Experimental Program -- 3.1 Numerical Program. ; 4 Results and Discussion.
• Titolo autorizzato: Proceedings of the Indian Geotechnical Conference 2022 Volume 2
• ISBN: 981-9717-41-8
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910855371903321
• Lo trovi qui: Univ. Federico II
• Serie: Lecture Notes in Civil Engineering Series