Experimental analysis of earth pressure against rigid retaining walls under translation mode
Experimental analysis of earth pressure against rigid retaining walls under translation mode
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DOI：
10.1680/geot.12.p.021
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发表时间：
2013-09-01
期刊：
影响因子：
5.8
通讯作者：
Takemura, J.
中科院分区：
文献类型：
--
作者：
Khosravi, M. H.;Pipatpongsa, T.;Takemura, J.
对水平平移作用下的刚性挡土墙主动模型进行了一系列物理模型试验。利用一套精密微型压力室和颗粒图像测速仪对颗粒滞留土的特性进行了实验研究。试验结果与基于拱作用的侧向主动土压力理论吻合较好，证实了主动平移模式下挡土墙后的拱化效应。剪应变的分布表明，对于主动墙体运动，墙体后的剪切带将破坏带与静止区区分开来。
A series of physical model tests was conducted for the active case of a rigid retaining wall subjected to horizontal translation. The behaviour of a granular retained soil was investigated experimentally using a set of precise miniature pressure cells and particle image velocimetry. The good agreement between the experimental results and the arch-action-based theories for lateral active earth pressure could confirm the arching effect behind the retaining walls in the active translation mode. The distribution of shear strain confirms that, for active wall movement, the failure zone is distinguished from the stationary zone by a shear band behind the wall.