Calculation method of seepage and its application based on probabilistic analysis

WEI Hai; SHEN Zhen-zhong

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Calculation method of seepage and its application based on probabilistic analysis

更新时间：2026-06-25

- Calculation method of seepage and its application based on probabilistic analysis
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  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： O357.3
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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WEI Hai, SHEN Zhen-zhong. Calculation method of seepage and its application based on probabilistic analysis[J]. 2007, 28(S1).
DOI：

WEI Hai, SHEN Zhen-zhong. Calculation method of seepage and its application based on probabilistic analysis[J]. 2007, 28(S1). DOI：

摘要

以随机理论为基础，把岩土体渗透系数视为随机变量。根据渗透系数的概率分布，把岩土体视为按概率分布的不同渗透系数介质的混合体，不同渗透系数介质对渗流场产生贡献的大小由其概率的大小来确定。在确定岩土体渗透系数后，通过渗流方程就可求出不同渗透系数作用下区域内的水头分布和断面流量，再根据渗透系数的概率大小进行叠加，求出整个区域内的水头分布和断面流量。工程实例表明，该方法较确定性有限元法误差小，可作为渗流计算的又一方法用于渗流分析。

Abstract

Based on the statistic theory

seepage coefficient of rock and soil is considered as random variable. Therefore rock and soil can be assumed to be mixture with different seepage coefficients of isotropic media

according to the probability distribution of seepage coefficient. The contribution of rock and soil with different seepage coefficient to seepage field are determined by their probability. After determination seepage coefficient of rock and soil

water head of region and flux of section can be obtained by solution seepage equations with different seepage coefficients. As a result

the final water head of region and flux of section are weighted by the probability distribution of seepage coefficient. This method is proved by engineering example with fewer errors than FEM

so it can be another way used to analyze seepage.

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