Discrete Modelling of Micro-structural Phenomena in Granular Shear Zones
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The micro-structure evolution in shear zones in cohesionless sand for quasi-static problems was analyzed with a discrete element method (DEM). The passive sand failure for a very rough retaining wall undergoing horizontal translation towards the sand backfill was discussed. To simulate the behaviour of sand, the spherical discrete model was used with elements in the form of rigid spheres with contact moments.
KeywordsShear Zone Discrete Element Method Force Chain Passive Earth Pressure Sphere Rotation
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