Three dimensional FEM simulation of slope reinforcement by deeply-buried pile

CHEN Wei-bing; ZHENG Ying-ren; LEI Wen-jie

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Three dimensional FEM simulation of slope reinforcement by deeply-buried pile

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- Three dimensional FEM simulation of slope reinforcement by deeply-buried pile
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  1. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,武汉,430071
  2. 中国人民解放军后勤工程学院军事土木工程系,重庆,400041
  3. 河南理工大学安全科学与工程学院,河南,焦作,454003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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CHEN Wei-bing, ZHENG Ying-ren, LEI Wen-jie. Three dimensional FEM simulation of slope reinforcement by deeply-buried pile[J]. 2007, 28(S1).
DOI：

CHEN Wei-bing, ZHENG Ying-ren, LEI Wen-jie. Three dimensional FEM simulation of slope reinforcement by deeply-buried pile[J]. 2007, 28(S1). DOI：

摘要

为了研究沉埋桩加固滑坡的力学机制，兰州中铁西北研究院完成进行了5组沉埋桩的室内大型物理模型试验。在沉埋桩加固滑坡体的模型试验中，坡体不同部位的桩所受到的推力有显著差别，呈现明显的的空间效应，因此不能等同于平面应变问题。对多组模型试验进行了三维非线性有限元模拟，数值模拟结果与试验数据相近，证明有限元方法可以用于沉埋桩的设计。

Abstract

In order to study the mechanism of how deeply-buried piles reinforce slope

five groups of large scale physical model tests were conducted in the lab of Chinese Northwest Railway Academic of Science. In the experiments

pressure endured by deeply-buried pile in different places is not the same

which indicates that the experiment can’t be simplified to plane strain problem. Finally

several groups of model tests are simulated by three-dimensional finite element of elastic-plasticity. The result is almost identical to the experimental data

this justifies the application of three-dimensional fem method to design deeply-buried pile.

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