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首页> 外文期刊>Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems >Analysis on evolution of mesostructure of cohesionless soil ground upon loading
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Analysis on evolution of mesostructure of cohesionless soil ground upon loading

机译：荷载作用下粘性土地思想思科思想式的演变分析

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摘要

Two-dimensional foundation models have been established based on the discrete element method (DEM). By loading the top plate, foundation instability processes under four different values of inter-particle friction were able to be simulated. The evolution of the force chains and contact network within the affected range of the bearing plate were studied. The results indicated that during the loading process, the force chain that transmitted the load from the loading plate gradually grew along the trapezoidal belt, and the number of stable force chains gradually increased until the quantity stabilized. For most of the loading process, the evolution trend of the n-cycles indicated that the n-cycles with more edges gradually evolved into n-cycles with fewer edges. From the point at which the reconstruction of the force chains was completed to the point at which foundation failure occurred, the vertical load and coordination number displayed a linear relationship. (C) 2020 Elsevier B.V. All rights reserved.
机译：基于离散元素方法（DEM）建立了二维基础模型。通过装载顶板，能够模拟颗粒间摩擦的四种不同值的基础不稳定过程。研究了轴承板受影响范围内的力链和接触网络的进化。结果表明，在装载过程中，从装载板传递负载的力链逐渐沿梯形带逐渐增长，并且稳定力链的数量逐渐增加，直到稳定量稳定。对于大多数装载过程，N个循环的演化趋势表明，具有更多边缘的N周期逐渐被切换成具有较少边缘的n周期。从将力链的重建完成到基础故障发生的点，垂直载荷和协调数显示线性关系。 （c）2020 Elsevier B.V.保留所有权利。

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