Challenges and Innovations in Geomechanics : Proceedings of the 16th International Conference of IACMAG - Volume 3 / / edited by Marco Barla, Alice Di Donna, Donatella Sterpi, Alessandra Insana

• Pubblicazione: Cham : , : Springer International Publishing : , : Imprint : Springer, , 2023
• Edizione: 1st ed. 2023.
• Descrizione fisica: 1 online resource (596 pages)
• Disciplina: 624.151
• Soggetto topico: Engineering geology; Geotechnical engineering; Offshore structures; Geoengineering; Geotechnical Engineering and Applied Earth Sciences; Offshore Engineering
• Persona (resp. second.): BarlaMarco
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- Preface -- Organisation -- IACMAG Board Officers -- Local Organising Committee -- Executive Board -- Members -- International Scientific Committee -- Contents -- Methods and Tools - Laboratory Testing, Field Testing and Monitoring -- Evaluating the Potentiality of X-ray Tomography on the Quality Assessment of Grouted Soils -- 1 Introduction -- 2 Materials and Methods -- 3 Results and Discussion -- 4 Conclusions -- References -- Evaluation of Strain Recovery and Stress Sensitivity of Asphalt Binders Containing Warm-Mix Asphalt Additive and Anti-stripping Agent -- 1 Introduction -- 2 Materials -- 3 Experimental Methods -- 3.1 Dynamic Shear Rheometer Test -- 3.2 Multiple Stress Creep and Recovery Test -- 4 Results and Discussions -- 4.1 Dynamic Shear Rheometer Test -- 4.2 Multiple Stress Creep and Recovery Test -- 4.3 MSCR Grading of Binder Blends -- 4.4 Stress Sensitivity of Binder Blends -- 5 Conclusions -- References -- Particle Segmentation of 3D Silt Images from X-ray µ-CT for Fabric Analysis -- 1 Introduction -- 2 Materials and Methods -- 2.1 Material Tested and Specimen Preparation -- 2.2 Non-destructive X-ray Micro CT Imaging Equipment -- 3 Image Analysis for Particle Segmentation -- 4 Initial Results and Observations -- 5 Conclusions -- References -- Monitoring of Dry Granular Flows in Unsteady State Down an Inclined Chute -- 1 Introduction -- 2 Discrete Element Model -- 2.1 Grain Size and Shape Reconstruction -- 2.2 Calibration of DEM Parameters -- 3 Granular Flow Simulations -- 4 Results -- 4.1 Monitoring Plate -- 4.2 Monitoring Volume -- 5 Conclusions -- References -- Methods and Tools - Probabilistic Site Characterization and Data Analytics -- Identification of Soil Strata from In-Situ Test Data Using Machine Learning -- 1 Introduction -- 2 Cone Penetration Test -- 3 Data -- 4 Machine Learning Methodology -- 5 Research Outcomes. ; 6 Benchmark Test -- 7 Discussion and Conclusion -- References -- Water Retention Curves of Clayey Soils by Artificial Neural Networks with Uneven Datasets -- 1 Introduction -- 2 Methods -- 2.1 Dataset -- 2.2 Neural Network Model Development -- 2.3 Evaluation Criteria -- 3 Results and Discussion -- 4 Conclusion -- References -- Methods and Tools - Constitutive Modelling -- 3D Finite Element Application of Elastoplastic Constitutive Model for Intact Rock -- 1 Introduction -- 2 Framework of Elasto-Plastic Model -- 3 Implementation in Finite Element Method -- 4 Comparison of FEM with Test Data -- 5 Conclusions -- References -- A Semi-micromechanical Framework for Anisotropic Sands -- 1 Introduction -- 2 Multilaminate Framework -- 3 Constitutive Formulations -- 4 Anisotropy -- 5 Simulations and Comparison -- 6 Conclusion -- References -- A Robust Solution to Address Overshooting in Bounding Surface Plasticity Models -- 1 Introduction -- 2 The Model Proposed -- 3 Conclusions -- Appendix 1. The Parameters Used -- References -- Assessment of Stress Paths Around Large-Diameter Loaded Piles Under Lateral Cyclic Loading -- 1 Introduction -- 2 3D Finite Element Investigation -- 2.1 3D FE Modelling Configuration -- 2.2 Typical Stress Variation in Elements Around the Pile -- 2.3 Stress Paths Around the Pile -- 2.4 Recommendation for Experimental Element Testing -- 3 Conclusions -- References -- Compression Models from Elementary Incremental Laws -- 1 Introduction -- 2 Some Remarks on the Relationship Between Void Ratio and Effective Stress -- 2.1 Definitions -- 2.2 Compression Models from Literature -- 3 Incremental Laws to Derive a New Class of Relationships -- 4 Comparison with Experimental Data -- 5 Conclusion -- References -- On the Influence of Multiple Episodes of Cyclic Loading and Reconsolidation on the Behavior of Monopiles Embedded in Fine-Grained Soils. ; 1 Introduction -- 2 Reference Centrifuge Tests -- 3 Test Material and Model Calibration -- 4 Finite Element Simulations -- 5 Summary and Conclusions -- References -- Limitations of Classic Constitutive Soil Models and Their Suitability to Represent Tailings Behaviour -- 1 Introduction -- 2 Tailings Selection and Laboratory Testing -- 3 Constitutive Model Selection and Calibration -- 4 Results and Discussion -- 4.1 Drained Response -- 4.2 Undrained Response -- 4.3 Critical State Line -- 5 Conclusions -- References -- Automatic Parameter Calibration of Two Advanced Constitutive Models -- 1 Introduction -- 2 Numerical framework -- 3 Experimental Data and Reference Parameter -- 4 Results of the Automatic Calibration Tool -- 5 Conclusions -- References -- PFEM Modeling of Strain Localization Processes in Non-local Multiplicative Plasticity -- 1 Introduction -- 2 The FDMilan Model -- 3 PFEM Simulations of Plane Strain Compression Tests -- 4 Results -- 5 Concluding Remarks -- References -- A Simple Analytical Model of the Damping Ratio Considering Effect of Particle Breakage -- 1 Introduction -- 2 SS08-Breakage Model, Validation and Performance -- 3 Calibration of Darendeli Model -- 4 Analytical Model for Crushable Sand -- 5 Conclusions -- References -- Liquefaction Instability Analysis Using Extended Mohr-Coulomb Model Under Axisymmetric Conditions -- 1 Introduction -- 2 Bifurcation Analysis -- 3 Material Model -- 4 Experimental Observations -- 5 Prediction of Instability -- 6 Conclusion -- References -- HySand: A New Constitutive Model for Sand Under Cyclic Loading -- 1 Introduction -- 2 Triaxial formulation of HySand -- 2.1 Hyperplasticity -- 2.2 Gibbs Energy Function -- 2.3 Yield Surfaces and Plastic Flow Direction -- 3 Components of the Model -- 3.1 Frictional Plasticity -- 3.2 Pressure Dependent Contraction. ; 3.3 Anisotropy and Density Dependent Dilation -- 3.4 Multi-surface Plasticity -- 4 Parameters of the Model -- 5 Results of the Model -- 5.1 Results on Monotonic Loading -- 5.2 Results on Cyclic Loading -- 6 Conclusions -- References -- Finite Element Modelling of Tunnel Settlements Under Cyclic Loading -- 1 Introduction -- 2 Notation -- 3 Constitutive Anamnesis Model (CAM) -- 3.1 Historiotropic Surface -- 3.2 Mechanical Model Formulation -- 4 Material Parameters -- 5 Tunnel Settlement of Metro Line No. 4 in Shanghai -- 6 Conclusions -- References -- Numerical Study on the Effect of Hydrate Saturation on the Geo-Mechanical Behavior of Gas Hydrate Sediments -- 1 Introduction -- 2 Constitutive Models for Gas Hydrate Sediments -- 3 Results and Discussions -- 3.1 Comparison of Different Constitutive Models -- 3.2 Effect of Hydrate Saturation and OCR -- 4 Conclusions -- References -- The Coefficient of Earth Pressure at Rest by Means of the Granular Mechanics -- 1 Introduction -- 2 Three-Dimensional Infinite Soil Slope -- 2.1 Octahedral Packing Diagonal to the Soil Slope -- 2.2 Octahedral Packing Parallel to the Soil Slope -- 3 Comparison with Laboratory Failure Tests -- 4 Conclusions -- References -- Methods and Tools - Coupled and Multiphase Modelling -- Improving Efficiency, Stability, and Accuracy of Finite Element Solutions for Solving Dynamic Contact Problems Involving Unsaturated Soils -- 1 Introduction -- 2 Constitutive Model -- 3 Finite Element Analysis -- 4 Conclusions -- References -- An Optimized Pore Network Model for Unsaturated Soil Permeability Determination -- 1 Introduction -- 2 Network Construction -- 3 Network Optimization -- 4 Simulating Wetting SWRC and Relative Hydraulic Permeability -- 5 Results -- 6 Conclusions -- References -- Methods and Tools - Advanced Constitutive Modeling of Soils in Practical Applications. ; Finite Deformation Modelling of Cone Penetration Tests in Saturated Structured Clays -- 1 Introduction -- 2 The FDMilan Model -- 3 Simulations Program -- 4 Selected Results -- 5 Concluding Remarks -- References -- Modelling Extreme Oedometric Unloading of a High Plasticity Overconsolidated Clay with Two Anisotropic Bounding Surface Plasticity Models -- 1 Introduction -- 2 Methodology -- 3 Calibration and Conceptual Capability -- 4 Simulation of Selected Tests -- 5 Summary and Conclusions -- References -- Granular Mechanics of the Rankine's Lateral Pressure on Retaining Walls Under General Conditions -- 1 Introduction -- 2 Force Chains in a Granular Material -- 3 Cartesian Stresses in a Linear Slope -- 4 Ideal Rankine's Soil Structure -- 5 Resultant Stress in an Inclined Plane -- 6 Lateral Force Against the Retaining Wall -- 7 Granular Generalization of the Rankine's Theory -- 8 Conclusions -- References -- Methods and Tools - Material Point Method in Computational Geomechanics -- Implementing Dynamic Boundary Conditions with the Material Point Method -- 1 Introduction -- 2 Background -- 2.1 Material Point Method -- 2.2 DM-GC -- 2.3 Non-reflecting Boundaries -- 3 Implementation -- 4 Numerical Examples -- 4.1 1D Column Benchmark -- 4.2 Foundation Under Repeated Loading -- 5 Conclusions -- References -- Large Strain Analysis of Unsaturated Heterogeneous Slopes with MPM -- 1 Introduction -- 2 Numerical Method -- 3 Model Set-Up -- 4 MPM Simulation Outcomes -- 5 LEM Analysis Outcome -- 6 Conclusions -- References -- Numerical Analysis of Rain-Induced Slope Failure by Using the MPM-SPH Coupling Method -- 1 Introduction -- 2 Numerical Method -- 2.1 Governing Equations -- 2.2 Unsaturated Seepage Characteristics -- 2.3 Discretization Method -- 3 Numerical Analysis of Slope Failure -- 3.1 Numerical Model and Material Parameters -- 3.2 Slope Failure Process. ; 3.3 Influence of Permeability.
• Sommario/riassunto: This book gathers the latest advances, innovations, and applications in the field of computational geomechanics, as presented by international researchers and engineers at the 16th International Conference of the International Association for Computer Methods and Advances in Geomechanics (IACMAG), held in Turin, Italy on August 30 - September 2, 2022. Contributions include a wide range of topics in geomechanics such as: laboratory and field testing, constitutive modelling, monitoring and remote sensing, multiphase modelling, reliability and risk analysis, surface structures, deep structures, dams and earth structures, natural slopes, mining engineering, earthquake and dynamics, soil-atmosphere interaction, ice mechanics, landfills and waste disposal, gas and petroleum engineering, geothermal energy, offshore technology, energy geostructures and computational rail geotechnics.
• Titolo autorizzato: Challenges and Innovations in Geomechanics
• ISBN: 3-031-12851-6
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910627266703321
• Lo trovi qui: Univ. Federico II
• Serie: Lecture Notes in Civil Engineering, . 2366-2565 ; ; 288