Observation and analysis of rainfall infiltration

ZHU Wei; CHEN Xue-dong; ZHONG Xiao-chun

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Observation and analysis of rainfall infiltration

更新时间：2026-06-25

- Observation and analysis of rainfall infiltration
- Vol. 27, Issue 11, (2006)
- 作者机构：
  
  河海大学岩土工程科学研究所,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU441
- Online First：04 December 2013，
  
  Published：2006
- 稿件说明：
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ZHU Wei, CHEN Xue-dong, ZHONG Xiao-chun. Observation and analysis of rainfall infiltration[J]. 2006, 27(11).
DOI：

ZHU Wei, CHEN Xue-dong, ZHONG Xiao-chun. Observation and analysis of rainfall infiltration[J]. 2006, 27(11). DOI：

摘要

关于降雨入渗可降低土坡的稳定性的研究很多，其机制也逐渐趋明确。然而，一场降雨对土坡稳定产生影响的入渗雨量计算问题还没有得到很好地解决。Holten等研究者的一些计算入渗量的方法在土坡的实际应用中难以满足精度要求；而一些有限元的边界处理方法则建立在假定的入渗规律基础上，多少存在不足。研究设计了室内降雨入渗土柱试验，在初步揭示降雨入渗过程和规律基础上，探讨了准确反映降雨入渗量的有限元计算方法，并通过数值试验进一步揭示室内试验未能明确的降雨入渗规律。

Abstract

Many slope stability studies have indicated that the infiltration of rainfall into a slope decreases its stability. And some of its mechanism has becoming understood. However

it remains an unresolved problem how to quantify the percentage of the rainfall infiltrating into a slope during a rainstorm. The model proposed by Holten on how to calculate the rainfall infiltration into a slope does not meet the precision requirements in practice. And most numerical models cannot simulate the true infiltration progress. Based on self-designed soil column tests

the process of rainfall infiltration has been studied. The results elucidate the mechanism of rainfall infiltration. An improved method for calculating the percent rainfall infiltration is proposed. A numerical model is used to shed further light on the rainfall infiltration mechanism not obtainable from the indoor laboratory experiments.

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