Research on influence of rainfall infiltration on slate slope stability 
and reinforcement measures

QIAO Lan; JIANG Bo; PANG Lin-xiang; CUI Ming

doi:10.16285/j.rsm.2015.S2.076

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Research on influence of rainfall infiltration on slate slope stability and reinforcement measures

更新时间：2026-06-25

- Research on influence of rainfall infiltration on slate slope stability and reinforcement measures
- Vol. 36, Issue S2, Pages: 545-550(2015)
- 作者机构：
  
  1. 北京科技大学土木与环境工程学院,北京,100083
  2. 中国电力工程顾问集团华北电力设计院工程有限公司,北京,100120
  3. 武警水电部队第一总队第一支队,河北,唐山,063000
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2015.S2.076
  CLC： TU452
- Online First：14 June 2018，
  
  Published：2015
- 稿件说明：
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QIAO Lan, JIANG Bo, PANG Lin-xiang, et al. Research on influence of rainfall infiltration on slate slope stability and reinforcement measures[J]. 2015, 36(S2): 545-550.
DOI：

QIAO Lan, JIANG Bo, PANG Lin-xiang, et al. Research on influence of rainfall infiltration on slate slope stability and reinforcement measures[J]. 2015, 36(S2): 545-550. DOI： 10.16285/j.rsm.2015.S2.076.

摘要

板岩边坡在国内边坡工程中较为常见，常伴有倾倒变形，在其特有的结构性质影响下边坡失稳频发。通过对苗尾水电站右坝基板岩边坡失稳现象分析，研究了板岩边坡在降入入渗情况下的变形特征，在该基础之上运用稳定理论探讨降雨入渗影响边坡失稳机制，结合实例分析提出了板岩边坡失稳加固关键措施，并通过现场实际检验效果。研究结果表明，板岩边坡的节理特性、开挖坡比、降雨入渗是造成板岩边坡失稳的关键因素，进行加固必须从防雨下渗和束腰加固着手。苗尾水电站右坝基板岩边坡加固后经受住了汛期和炮震的影响，说明边坡失稳认识及加固措施较为准确，对于类似工程具有一定的参考价值。

Abstract

Instability of slate slope，that is more common in slope engineering

often accompanied by toppling deformation

occurred frequently due to the unique structure of slate. The instability characteristics of slate slope subject to rainfall infiltration are studied by analyzing the instability phenomenon of the right dam foundation slate slope in Miaowei hydropower station; then the stability theory is used in the instability mechanism of slate slope

and combining the engineering practice with stability theory subsequently. Finally

the key measures for preventing instability phenomenon are proposed and used in the subsequent engineering. The results show that the slate joint characteristics

slope excavation ratio and rainfall infiltration are the key factors influencing the stability of slate slope; reinforcement is needed first to prevent rainfall infiltration and

have a good design of waist reinforcement. The slate slope in Miaowei hydropower station after reinforcement is safe and withstand the impact of flood and blasting

so as to prove that the instability causes of slate slope and reinforcement measure are well analyzed. That are useful for the similar slopes when they are need to reinforcement or deal with the instability.

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