Evolution characteristics of calcareous sand force chain based on particle breakage
Bin Chen,
Junjie Xia,
Yiwei Lu
et al.
Abstract:Calcareous sand is easily broken under external force, which brings great difficulties to island reef engineering. Based on the particle flow program, a discrete element model that can reproduce the results of laboratory tests is established, the large principal stress method is introduced to identify the particle force chain, and the bond strength between particles is increased to obtain an unbreakable model with the same initial conditions, and different confining pressures are compared and analyzed. The evo… Show more
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