Computer Simulation of Direct Shear Test

by Jeen-Shang Lin, Univ of Pittsburgh, United States,
John M. Ting, Univ of Pittsburgh, United States,
Baliso Vuba, Univ of Pittsburgh, United States,
Shiou Chen, Univ of Pittsburgh, United States,



Abstract: This paper presents a pilot study of a computer simulation of direct shear test on sands using the Discrete Element Method. The numerical test setup is described first, which is followed by a set of simple tests on sands of uniform assemblies. For these tests, only a constant surface friction was given for each particle, the apparent friction angle envelope as defined by the Mohr-Coulomb criterion was found to be curved.

Subject Headings: Shear tests | Model tests | Soil dynamics | Friction | Soil tests | Computer models | Sandy soils | Discrete element method

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