A mixed nonlinear finite element method for slope stability analysis

YAN Tian-you; LI Tong-chun; ZHAO Lan-hao; DAI Miao-lin; ZHOU Gui-yun

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A mixed nonlinear finite element method for slope stability analysis

更新时间：2026-06-25

- A mixed nonlinear finite element method for slope stability analysis
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  1. 河海大学水文水资源与水利工程科学国家重点实验室,南京,210098
  2. 河海大学水利水电工程学院,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： O242.21
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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YAN Tian-you, LI Tong-chun, ZHAO Lan-hao, et al. A mixed nonlinear finite element method for slope stability analysis[J]. 2008, 29(S1).
DOI：

YAN Tian-you, LI Tong-chun, ZHAO Lan-hao, et al. A mixed nonlinear finite element method for slope stability analysis[J]. 2008, 29(S1). DOI：

摘要

在对有限元强度折减法和有限元迭代解法的优缺点分析的基础上，提出了边坡稳定分析的非线性有限元混合解法，该法将有限元强度折减法和有限元迭代解法联合运用于边坡稳定分析，充分利用了两种方法的优点。即由有限元强度折减法搜索边坡可能滑动面，将可能滑动面在网格中画出，由迭代解法逐步迭代求得其滑动面的安全系数。并以算例和工程实例说明了此种方法的正确性和合理性。

Abstract

Based on the analysis of the strength reduction FEM and the finite element iteration method

according to the virtues of two methods

a mixed finite element method for slope stability analysis is proposed

which unites the strength reduction FEM and the finite element iteration method together for slope stability analysis. Firstly

the strength reduction FEM is used to find the position of the possible slip surface

and then

the found slip surface is established in the calculational model; lastly

the stability safety factor of the surface is obtained by the finite element iteration method. The validity and accuracy of the proposed procedure is demonstrated by a numerical example and an engineering practical example.

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Related Institution

State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology

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