Reliability index analysis of slope stability based on Spencer's method

ZHENG Rong-yue; WU Song

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Reliability index analysis of slope stability based on Spencer's method

更新时间：2026-06-25

- Reliability index analysis of slope stability based on Spencer's method
- Vol. 27, Issue 1, (2006)
- 作者机构：
  
  宁波大学建筑与环境工程学院土木系,宁波,315211
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU114.3
- Online First：31 October 2013，
  
  Published：2006
- 稿件说明：
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ZHENG Rong-yue, WU Song. Reliability index analysis of slope stability based on Spencer's method[J]. 2006, 27(1).
DOI：

ZHENG Rong-yue, WU Song. Reliability index analysis of slope stability based on Spencer's method[J]. 2006, 27(1). DOI：

摘要

在边坡可靠度分析中，考虑Spencer方法计算模型的不确定性，推导出Spencer方法安全系数模型修正系数的概率密度函数，引入了随机场局部平均理论用于分析边坡中土性参数的空间相关性，并在此基础上提出了一种改进的边坡可靠性指标计算方法。

Abstract

In probabilistic slope stability analysis

the correction factor for the safety factor from Spencer's procedure and the theory of the soil properties random field have not been investigated fully. First

since the value of the correction factor is uncertain; it was modeled by the probability distribution shown in this paper. On the other hand

the theory of local average random field is applied to calculate the reliability index. Based on the above

an improved method is proposed to search for the reliability index of slope stability.

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