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Effect of Fabric on Low-Strain Stiffness Properties of Granular Soils

机译:织物对粒状土低应变刚度特性的影响

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This paper presents a micro-mechanical analysis of the effect of soil fabric on low-strain stiffness properties of granular soils. The discrete element method (DEM) is used to model the soil skeleton as a random assemblage of irregularly shaped particles. Numerical simulations were conducted to generate soil samples having similar void ratios and significantly dissimilar fabric by extracting particles from the interparticle force networks. The simulated samples were subjected to triaxial stress conditions. The conducted analyses revealed a substantial effect of fabric on the stiffness properties of granular soils.
机译:本文提出了土壤织物对粒状土壤低应变刚度特性的微观力学分析。离散元素法(DEM)用于将土壤骨架模拟为不规则形状颗粒的随机组装。进行数值模拟以产生具有相似空隙率的土壤样品,通过从颗粒力量网络中提取颗粒来产生具有类似的空隙率和显着不同的织物。将模拟样品进行三轴应激条件。进行的分析显示织物对颗粒土壤刚度特性的显着作用。

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