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Determining particulate-solid interphase strength using shear-induced anisotropy

机译:使用剪切诱导各向异性确定颗粒-固体相间强度

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摘要

The resistance to shear deformation developed by a granular material layer in contact with a topographically rough natural or manufactured solid material surface is critical to the stability of a variety of composite systems. By using discrete-element method numerical simulations, we show that evolution of fabric and contact force anisotropy at the boundary between the surface and the granular media controls shear behavior. Full mobilization of granular material strength occurs when the contact force anisotropy developed at the interface is equal to the maximum contact force anisotropy of the granular media.
机译:由粒状材料层与地形粗糙的天然或人造固体材料表面接触而产生的剪切变形抵抗力对多种复合系统的稳定性至关重要。通过使用离散元方法数值模拟,我们表明织物的演化和表面与粒状介质之间边界处的接触力各向异性控制了剪切行为。当在界面处产生的接触力各向异性等于颗粒介质的最大接触力各向异性时,就会发生颗粒材料强度的充分动员。

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