Reliability analysis of highway subgrade stability based on mean rainfall amount

WANG Rui-gang; YAN Shu-wang; DENG Wei-dong; LU Hang-xian

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Reliability analysis of highway subgrade stability based on mean rainfall amount

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- Reliability analysis of highway subgrade stability based on mean rainfall amount
- Vol. 25, Issue 11期　刊出日, (2004)
- 作者机构：
  
  1. 天津大学建工学院,天津,300072
  2. 重庆交通科学研究所,重庆,630000
  3. 天津市政工程设计研究院,天津,300051
- 作者简介：
- 基金信息：
- DOI：
  CLC： TB115
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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WANG Rui-gang, YAN Shu-wang, DENG Wei-dong, et al. Reliability analysis of highway subgrade stability based on mean rainfall amount[J]. 2004, 25(11期　刊出日).
DOI：

WANG Rui-gang, YAN Shu-wang, DENG Wei-dong, et al. Reliability analysis of highway subgrade stability based on mean rainfall amount[J]. 2004, 25(11期　刊出日). DOI：

摘要

基于平均降雨量概念，考虑降雨的随机性，用改进的JC法和Monte Carlo模拟方法（MCSM）对公路路堤结构边坡进行了可靠度稳定对比分析，且考虑了随机变量为相关任意分布的情况编制了相应程序。根据实测数据，定量分析了路堤边坡土体因降雨而引起的饱和度变化对土体强度参数的影响；此外，对路堤稳定敏感性因素及其可靠度的一些规律进行了一些研究。

Abstract

The reliability analysis of highway subgrades is carried out by using two methods of modified “JC” method and Monte Carlo simulation method (MCSM) based on the “mean rainfall amount”. A corresponding program

which can take into account relative randomly distributed variables

is developed. According to observed data

the effect of changes of saturation degree due to rainfall infiltration on soil strength parameters is discussed in detail. In addition

the sensibility factors affecting the slope stability are analyzed; and the rules of reliability of slope stability are further researched.

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