Preface; Committees; Organizing Committee; Organizing Committee of Muhlhaus Tribute; Advisory Board; International Scientific Committee; Contents; Experimental Modeling of Instabilities Localization and Degradation; Localisation Precursors in Geomaterials?; 1 Introduction; 2 Materials and Methods; 3 Results and Analysis; 4 Conclusions; References; 2 Water Saturation Induced Strength Degradation of Callovo-Oxfordian Claystone; Abstract; 1 Introduction; 2 Materials, Experimental Device and Method; 3 Mechanical Curves; 4 Strength Degradation; 5 Conclusion; References

3 Propagation and Evolution of Strain Localization in ClayAbstract; 1 Introduction; 2 Experimental Program; 3 Results; 4 Conclusions; Reference; Emergence of Strain Localization in Porous Rocks Characterized by Full-Field Measurement in Plane Strain Condition; 1 Introduction; 2 A True Triaxial Cell for Full Field Measurement and Studied Rocks; 3 Selected Results; 4 Conclusion; References; 5 Localization in Plane Strain Compression of Fluid-Saturated Rock; Abstract; 1 Introduction; 2 Background; 3 Methods; 4 Results; 5 Discussion and Conclusions; References

6 3D Particle-Scale Displacement Gradient to Uncover the Onset of Shear Bands in SandAbstract; 1 Introduction; 2 Experiment; 3 Image Processing and Particle Tracking; 4 Conclusions; Acknowledgements; References; 7 Load Transmission by Granular Materials; Abstract; 1 Introduction; 2 Experimental Setup; 3 Applications of 2D Fourier Transforms; 4 Possible Applications of 2D Fourier Transforms; 5 Conclusion; References; 8 Periodic Stick-Slip Deformation of Granular Material Under Quasi-static Conditions; Abstract; 1 Introduction; 2 Experiments; 3 DEM Simulations; 4 Discussion of Results

4.1 Cyclic Behaviour4.2 Minimum Displacement; 4.3 Comparison with DEM Simulations; 5 Conclusions; References; Constitutive Modeling and Multi-physical Coupling for Localization, Instabilities and Degradation of Geomaterials; 9 Modeling Physico-Chemical Degradation of Mechanical Properties to Assess Resilience of Geomaterials; Abstract; 1 Introduction; 2 The Essence of Time-Dependent Degradation and Resilience Assessment; 3 Modeling Framework for Degradation and Resilience Assessment; 4 Degradation of Coastal Calcarenite Subject to Water Inundation

5 Degradation of Geomaterials via Drying-Cracking6 Conclusions; References; 10 Cyclic Elastoplastic Constitutive Model for Soils Based on Non-linear Kinematical Hardening Rule with Volumetric and Deviatoric Kinematical Parameters; Abstract; 1 Introduction; 2 Cyclic Elastoplastic Constitutive Model; 2.1 Total Strain Increments; 2.2 Overconsolidation Surface; 2.3 Yield Surface; 2.4 Plastic Potential Function; 3 Simulation Results; 4 Conclusions; References; 11 Theoretical Prediction of Strain Localization in Anisotropic Sand by Non-coaxial Elasto-Plasticity; Abstract; 1 Introduction