Qualitative and quantitative DEM analysis of cohesive granular material behaviour in FT4 shear tester

Haithem Louati, Xavier Bednarek,Sylvain Martin, Abibatou Ndiaye,Olivier Bonnefoy

Chemical Engineering Research and Design（2019）

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摘要

•FT4 shear test is used to calibrate DEM parameters of cohesive granular material.•Adhesive forces influence the dilatancy of the granular bed.•Incipient failure shear stress is influenced by the granular dilatancy.•Consolidation stress affects the apparent cohesion and the angle of internal friction.

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关键词

FT4 shear test,DEM,JKR model,Apparent cohesion,Angle of internal friction,Consolidation

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