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首页> 外文会议>International Symposium on Earth Reinforcement Nov 14-16, 2001, Fukuoka/Kyushu/Japan >Multi-layered reinforced granular soil resting on soft soil - tension membrane effect
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Multi-layered reinforced granular soil resting on soft soil - tension membrane effect

机译：软土地基上的多层加筋颗粒土-张力膜效应

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摘要

The effect of applied surface loading on reinforced soil structures have been conveniently obtained in the form of increase in load bearing capacity/stability enhancement which are mainly expressed in terms of degree of improvement compared to the unreinforced ones. In this paper with the help of Pasternak's model, the granular fill have been modified to include the effect of no. of layers of reinforcement in plain strain loading situation. Nonlinear hyperbolic responses of the granular and soft soil are introduced into the formulation. Parametric results reveal that reinforcement action is significant at lower stiffness of the granular fill and tensile forces are maximized at the center of the foundation. Reinforcement layer of 3 times the footing width placed within significant depth below footing is sufficient for effective improvement.
机译：表面载荷对加筋土结构的影响已通过增加承载力/稳定性的方式方便地获得，主要表现为与未加筋的相比，其改善程度。本文在Pasternak模型的帮助下，对颗粒填充进行了修改，以包括否的影响。普通应变加载情况下钢筋的层数。颗粒状和软土的非线性双曲响应被引入到配方中。参数结果表明，在较低的颗粒填充刚度下，加固作用很明显，并且在地基的中心处使拉力最大化。在底脚以下较大深度内放置底脚宽度3倍的加固层足以有效地进行改进。

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