Research on infiltration effect of atomized rain on slope

LI Xin-qiang; YIN Wei; SUN Ping; WANG Yu-jie; JIA Zhi-xin; WANG Xiao-gang

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Research on infiltration effect of atomized rain on slope

更新时间：2026-06-25

- Research on infiltration effect of atomized rain on slope
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  1. 中国水利水电科学研究院岩土工程研究所,北京,100044
  2. 北京建工集团有限责任公司,北京,100028
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV131.3+4
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
移动端阅览
LI Xin-qiang, YIN Wei, SUN Ping, et al. Research on infiltration effect of atomized rain on slope[J]. 2008, 29(S1).
DOI：

LI Xin-qiang, YIN Wei, SUN Ping, et al. Research on infiltration effect of atomized rain on slope[J]. 2008, 29(S1). DOI：

摘要

泄洪雨雾入渗导致的边坡稳定问题随着高坝大库的建设越来越突出，对此类问题的研究和认识大多停留在对岩土体强度降低和荷载增加两者之一上，对渗流和应力变形的耦合作用认识和应用不足。本文通过理论分析，对泄洪雨雾入渗的渗流分析中入渗边界条件重新做了界定，并指出了存在的问题；同时对应力变形计算中渗流荷载的增加和岩土体在非饱和区的强度变化，提出了自己的观点，并指出存在的误区。最后作者通过某一水电工程泄洪雾化区边坡的渗流和应力变形作了计算，得到了合理的计算结果。

Abstract

With the construction of high dams with large reservoir in China

the stability problem of slopes lied under atomized rain are serious. Atomized rain usually lasts rather a long time with heavy precipitation

under which it is very difficult to maintain the slope stability. The strength reduction of geomaterial or the load increase under the slope is the mechanism which causes the slope failure. However

the coupling action is less considered. Based on the theoretical analysis

two suggestions are made

the infiltration boundary condition is redefined in seepage analysis; the conception that the matrix suction is not equal with negative pressure of unsaturated zone is formed during the process of stress and strain analysis; and the matrix suction involves in spacing ratio and saturation

etc. As an example

the coupling analysis of seepage and stress is performed with a hydraulic slope under atomized rain.

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