Stability analysis of embankment and excavation slope

ZHAO Jie; SHAO Long-tan

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Stability analysis of embankment and excavation slope

更新时间：2026-06-25

- Stability analysis of embankment and excavation slope
- Vol. 28, Issue 5, (2007)
- 作者机构：
  
  1. 大连理工大学土木水利学院,大连,116024
  2. 大连大学土木工程技术研究与开发中心,大连,116622
  3. 大连理工大学工程力学系,大连,116024
- 作者简介：
- 基金信息：
- DOI：
  CLC： TB115
- Online First：10 September 2013，
  
  Published：2007
- 稿件说明：
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ZHAO Jie, SHAO Long-tan. Stability analysis of embankment and excavation slope[J]. 2007, 28(5).
DOI：

ZHAO Jie, SHAO Long-tan. Stability analysis of embankment and excavation slope[J]. 2007, 28(5). DOI：

摘要

在有限元应力应变分析的基础上，采用以剪应力定义的安全系数和模式搜索的方法确定边坡的安全系数及最危险滑动面。在平面应变条件下，对土层均质的填筑和开挖边坡的稳定性进行了较为全面的研究，并同天然边坡的安全系数和破坏面进行比较，计算结果表明，这3类边坡滑动面的形状基本一致，天然边坡安全系数要高于填筑和开挖边坡；同时比较了采用有限元稳定评价方法和采用极限平衡方法计算结果的差别；最后分析研究了计算参数变化对填筑和开挖边坡稳定性的影响。

Abstract

Based on the finite element stress-strain analysis

the factor of safety of the slip surface is defined as the ratio of the critical shear intensity during failure to real shear stress

the authors utilize pattern search method to ascertain the critical slip surface of slope. Under the plane strain and homogeneous soil condition

this method is used to analyze the stability of embankment and excavation slope; and the result is compared with natural slope. It is shown that the shape of critical slip surfaces of the three kinds of slopes are similar; the factor of safety of natural slope is higher than the others. At the same time

the result of finite element method is compared with that of limit equilibrium method. Finally

the effect of soil parameters on the stability of embankment and excavation slope is analyzed.

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