Probability distribution of soil strength

CHEN Li-hong; CHEN Zu-yu; LIU Jin-mei

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Probability distribution of soil strength

更新时间：2026-06-25

- Probability distribution of soil strength
- Vol. 26, Issue 1期　刊出日, (2005)
- 作者机构：
  
  1. 北京交通大学土木建筑学院,北京,100044
  2. 中国水利水电科学研究院,北京,100044
  3. 国家防汛抗旱总指挥部办公室,北京,100055
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU4
- Online First：07 November 2013，
  
  Published：2005
- 稿件说明：
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CHEN Li-hong, CHEN Zu-yu, LIU Jin-mei. Probability distribution of soil strength[J]. 2005, 26(1期　刊出日).
DOI：

CHEN Li-hong, CHEN Zu-yu, LIU Jin-mei. Probability distribution of soil strength[J]. 2005, 26(1期　刊出日). DOI：

摘要

土的抗剪强度指标概率分布的类型，影响着风险评价和可靠度分析的结果。通过收集整理的多个水利工程中丰富的长序列的抗剪强度试验资料，在此基础上利用K-S法对土体抗剪强度指标的概率分布类型进行了统计分析，发现一般情况下抗剪强度指标均可以接受正态分布和对数正态分布，而选择对数正态分布能够避免出现物理量为负的现象，在许多情况下这样处理更为合理、简便。

Abstract

The probability distribution type of soil strength affects the results of reliability and risk analysis of geotechnical problems. Many soil and rockfill samples have been collected from earth dams and tested in lab. The probability distributions of these soil or rockfill samples are coincident with the theoretical normal distribution or logarithmic normal distribution. The selection of logarithmic normal distribution in risk and reliability analysis can avoid the parameters to become negative

so it is more acceptable.

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Related Institution

School of Resources and Environmental Engineering, Hefei University of Technology

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