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泄洪雨雾入渗分析中的几个问题讨论

李新强 谢兴华

长江科学院院报2009,Vol.26Issue(z1):23-28,6.
长江科学院院报2009,Vol.26Issue(z1):23-28,6.

泄洪雨雾入渗分析中的几个问题讨论

Infiltration Effect Research on Atomized Rain into Slope

李新强 1谢兴华2

作者信息

  • 1. 中国水利水电科学研究院,岩土工程研究所,北京,100044
  • 2. 南京水利科学研究院,水工水力学研究所,南京,210029
  • 折叠

摘要

Abstract

With the construction of high dams with large reservoir in China, the stability problem of slopes under atomized rain area is outstanding. Atomized rain usually lasts rather a long time with heavy precipitation, which is very difficult to maintain the stability of a slope. The strength reduction of geomaterial and the load increase of atomized rain inside the slope are the cause which makes the slope failure. However, the coupling action is less considered. On the basis of the theoretical analysis, two suggestions are proposed: The infiltration boundary condition must be redefined in seepage analysis; The conception that the matrix suction is not equal to negative pressure of unsaturated zone is formed during the process of stress and strain analysis, and the matrix suction involves in spacing ratio, saturation, etc. In combination with an example, the coupling analysis of seepage and stress is performed with a hydraulic slope under atomized rain.

关键词

边坡/泄洪雨雾/非饱和/渗流

Key words

slope/ atomized rain/ unsaturated/ coupling analysis

分类

建筑与水利

引用本文复制引用

李新强,谢兴华..泄洪雨雾入渗分析中的几个问题讨论[J].长江科学院院报,2009,26(z1):23-28,6.

基金项目

国家自然科学基金重点项目(50539100) (50539100)

中国水利水电科学研究院开放基金资助 ()

长江科学院院报

OA北大核心CSCDCSTPCD

1001-5485

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