Analysis of passive earth pressure due to various wall movement by particle flow code （2D）

ZENG Qing-you; ZHOU Jian

doi:10.16285/j.rsm.2005.s1.010

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Analysis of passive earth pressure due to various wall movement by particle flow code （2D）

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- Analysis of passive earth pressure due to various wall movement by particle flow code （2D）
- Issue S1, Pages: 43-47(2005)
- 作者机构：
  
  1. 同济大学地下建筑与工程系
  2. 同济大学地下建筑与工程系,上海,200092
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2005.s1.010
  CLC： TU432
- Published：2005
- 稿件说明：
移动端阅览
[1]曾庆有,周健.不同墙体位移方式下被动土压力的颗粒流模拟[J].岩土力学,2005(S1):43-47.

ZENG Qing-you, ZHOU Jian. Analysis of passive earth pressure due to various wall movement by particle flow code （2D）[J]. 2005, (S1): 43-47.
[1]曾庆有,周健.不同墙体位移方式下被动土压力的颗粒流模拟[J].岩土力学,2005(S1):43-47. DOI： 10.16285/j.rsm.2005.s1.010.

ZENG Qing-you, ZHOU Jian. Analysis of passive earth pressure due to various wall movement by particle flow code （2D）[J]. 2005, (S1): 43-47. DOI： 10.16285/j.rsm.2005.s1.010.

摘要

用二维颗粒流程序（PFC2D）对各种移动模式的刚性挡墙被动土压力进行了模拟。再根据已有的模型试验建立颗粒流模型

分别让刚性墙体朝土体一侧平移、绕墙体顶部转动和绕墙体底部转动

给出了这三种情况下墙后被动土压力的分布图形以及相应的竖向应力的分布图形

同时给出了墙后被动土压力随墙体位移的变化规律。最后

将计算结果与实验结果进行了对比表明

颗粒流数值模拟方法不仅使用方便

而且能较好地模拟墙后被动土压力的分布规律。

Abstract

The passive earth pressure of rigid wall due to various wall movement was simulated by particle flow code（PFC）2D

which is based on DEM. PFC2D model for this problem was founded by the laboratory model test. The rigid wall translated toward the soils

or rotated about its own top or bottom。Then the horizontal and vertical stresses along the back of the wall were measured. These results were compared with that of the model tests; and it is shown that the PFC2D can simulate the distribution of the earth pressure along the back of the rigid wall conveniently and satisfactorily.

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Related Institution

Key Laboratory of Geotechnical and Underground of Ministry of Education, Tongji University

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Institute of Geotechnical Engineering, Zhejiang University

Key Laboratory of soft soils and Geoenvironmental Engineering of Ministry of Education, Zhejiang University

Chongqing Zhonghuan Construction Co., Ltd.

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