Influences of soil elastic modulus and Poisson’s ratio on slope stability

ZHANG Pei-wen; CHEN Zu-yu

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Influences of soil elastic modulus and Poisson’s ratio on slope stability

更新时间：2026-06-25

- Influences of soil elastic modulus and Poisson’s ratio on slope stability
- Vol. 27, Issue 2, (2006)
- 作者机构：
  
  1. 中冶集团建筑研究总院，地基所,北京,100088
  2. 中国水利水电科学研究院岩土工程研究所,北京,100044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：25 October 2013，
  
  Published：2006
- 稿件说明：
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ZHANG Pei-wen, CHEN Zu-yu. Influences of soil elastic modulus and Poisson’s ratio on slope stability[J]. 2006, 27(2).
DOI：

ZHANG Pei-wen, CHEN Zu-yu. Influences of soil elastic modulus and Poisson’s ratio on slope stability[J]. 2006, 27(2). DOI：

摘要

根据土的弹性模量和泊松比满足双曲线关系，给出了弹性模量和泊松比折减的基本原理。通过算例分析表明，调整泊松比对安全系数的求解是有影响的，而弹性模量的影响一般较小。算例亦表明，位移控制方法具有较高的稳定性和收敛性，在运用有限元强度折减方法求解边坡的安全系数时，建议采用位移控制方法来控制其收敛性。

Abstract

The reduction theory for elastic modulus and Poisson’s ratio is given according to the stress-strain hyperbolic curve of the soil. The result of an example shows that the Poisson’s ratio has a significant influence on the safety factor and the plastic zone of the slope; but the elastic modulus don’t have a significant influence; the displacement controlled-method is suggested to take for the finite element analysis to solve the safety factor of slopes because of this method is good in stability and convergence.

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