Bifurcation and Degradation of Geomaterials in the New Millennium: Proceedings of the 10th International Workshop on Bifurcation and Degradation in Geomaterials

Front Matter....Pages i-xi
Simulations of Shear Zones and Cracks in Engineering Materials Using eXtended Finite Element Method....Pages 1-6
Discrete Modelling of Micro-structural Phenomena in Granular Shear Zones....Pages 7-12
Modelling Hydromechanical Dilation Geomaterial—Cavitation and Localization....Pages 13-19
Fabric Evolution and Its Effect on Strain Localization in Sand....Pages 21-26
Micro-mechanical Observations of Strain Localization in Granular Soils During Simple Shear Loading....Pages 27-32
Grainsize Evolution in Open Systems....Pages 33-38
Numerical Modeling of Failure Process in Cohesive Geomaterials....Pages 39-45
Hydromechanical Modelling of an Initial Boundary Value Problem: Studies of Non-uniqueness with a Second Gradient Continuum....Pages 47-52
A FE 2 Model for Hydro-mechanical Coupling....Pages 53-59
Numerical Simulation and Length Scale Calibration of Micropolar Hypoplastic Model....Pages 61-65
Micromechanical Analysis of Second Order Work in Granular Media....Pages 67-74
Stability and Bifurcation in Reinforced Boreholes....Pages 75-81
Shear Banding in Torsion Shear Tests on Cross-Anisotropic Deposits of Fine Nevada Sand....Pages 83-90
Effects of Flooding on Crushable Sand....Pages 91-98
Numerical Analysis of 1D Seepage Failure Process of Sandy Materials by CWENO Method....Pages 99-105
Mechanisms of Deformation in Porous Rocks at the Grain Scale....Pages 107-112
The Influence of Fines Content on the Onset of Instability and Critical State Line of Silty Sand....Pages 113-120
A Multiscale Investigation of Strain Localization in Cohesionless Sand....Pages 121-126
The Effect of Rotational Degrees of Freedom on the Formation of Deformation Patterns in Granular Materials Using Digital Image Correlation....Pages 127-133
Stick-Slip Motion and the Associated Frictional Instability Caused by Vertical Oscillations....Pages 135-141
Investigation of Direct Shear Interface Test Using Micro-polar Continuum Approach....Pages 143-148
Energy Criterion of In-plane Fracture Propagation in Geomaterials with Rotating Particles....Pages 149-154
Dynamic Instability in Geomaterials Associated with the Presence of Negative Stiffness Elements....Pages 155-160
Numerical Modeling of Particle Breaking Process in Granular Materials: Compaction and Evolution of Size Distribution....Pages 161-167
Onset of Strain Localization in Unsaturated Soils Subjected to Constant Water Content Loading....Pages 169-173
Double-Scale Assessment of Micro-mechanics Based Constitutive Models for Granular Materials Undergoing Mechanical Degradation....Pages 175-180
Hypoplastic Constitutive Modelling of Grain Damage Under Plane Shearing....Pages 181-187
Hierarchy of Failure Indicators in the Failure Analysis of Geomaterials....Pages 189-197
Static Liquefaction of Granular Soils: The Role of Grain Shape and Size....Pages 199-205
Static Liquefaction and Instability in Granular Media Subjected to Monotonic Loading—A Micromechanical Investigation....Pages 207-212
Capillary Effect on Critical Length of Force Chains in Partially Saturated Granular Materials Within the Pendular Regime....Pages 213-219
Study on the Initiation of Strain Localization in Soils by 3D Non-coaxial Plasticity....Pages 221-228
Micromechanics-Based Constitutive Modeling and DEM Simulation of Localized Failure in Soil....Pages 229-235
Thermally Induced Deformation and Failure in Shale Under Drained and Undrained Heating....Pages 237-244
Instability of Dissociation Process of Methane Hydrate Bearing Soil....Pages 245-251
Development of Image Analysis Tools to Evaluate In-Situ Evolution of the Grain Size Distribution in Sand Subjected to Breakage....Pages 253-258
FEM  ×  DEM Multi-scale Analysis of Boundary Value Problems Involving Strain Localization....Pages 259-265
Evolution of Packing Structure in Cyclic Mobility and Post-liquefaction of Granular Soils....Pages 267-272
Experimental Versus Finite Element Approach to Study Scale Dependent Features in Granular Materials’ Stress and Deformation Fields....Pages 273-278
Onset of Strain Localization in Fiber Reinforced Composites Subjected to Plane Stress Loading....Pages 279-283
Using Shear Strain Localisation to Model the Fracturing Around Gallery in Unsaturated Callovo-Oxfordian Claystone....Pages 285-291
Experimental Study on the Behavior of a Plasticine Material....Pages 293-298
Thermodynamic Analysis of Instability in Unsaturated Soils....Pages 299-304
Plastic Deformations in Granular Materials with Rotation of Principal Stress Axes....Pages 305-310
A Framework to Assess the Controllability of Wetting on Unsaturated Collapsible Soils....Pages 311-316
Model Tensile Cracking in Soil with Coupled Meshless-FEM Method....Pages 317-323
Quantitative Observation of Strain Localisation in a Partially Saturated Triaxial Specimen Using Microfocus X-ray CT with Image Analysis....Pages 325-330
Simple Modeling of Time-Dependent Behavior for Structured Soils....Pages 331-337
The Role of Microstructure in the Liquefaction Mechanism....Pages 339-346
Dense Granular Flows: Structure and Microscopic Origins of Internal Friction....Pages 347-353
Dynamic Analysis of Strain Localization in Water-Saturated Elasto-Viscoplastic Material....Pages 355-360
Micromechanical Modelling of Granular Materials Through Fabric and Coordination Number Anisotropies....Pages 361-367
Repetitive Compression Tests on a Carbonate Sand....Pages 369-374
The Evolution of Shear Bands in Sand: Numerical Investigations Based on an Elasto-Plastic Cosserat Continuum Approach....Pages 375-381