Research on determination of resistance angle of double slide mode in the concrete gravity dam

GUO Ming-wei; WANG Shui-lin; DENG Qin; LI Gang-lin

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Research on determination of resistance angle of double slide mode in the concrete gravity dam

更新时间：2026-06-25

- Research on determination of resistance angle of double slide mode in the concrete gravity dam
- Vol. 33, Issue 6, (2012)
- 作者机构：
  
  1. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,武汉,430071
  2. 武汉市勘测设计研究院,武汉,430022
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV642.3
- Online First：14 June 2012，
  
  Published：2012
- 稿件说明：
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GUO Ming-wei, WANG Shui-lin, DENG Qin, et al. Research on determination of resistance angle of double slide mode in the concrete gravity dam[J]. 2012, 33(6).
DOI：

GUO Ming-wei, WANG Shui-lin, DENG Qin, et al. Research on determination of resistance angle of double slide mode in the concrete gravity dam[J]. 2012, 33(6). DOI：

摘要

在《混凝土重力坝设计规范》(SL319-2005)中标准双滑面的稳定性程度推荐采用等K法进行计算，但对于抗力方向角的选取并没有统一的标准，研究表明，该方法中抗力角的选取对计算结果比较敏感。为了得到合理的抗力方向角，采用Sarma法、有限元法及刚体极限平衡法中的无条分法对抗力角的选取进行了深入的探讨，并给出了抗力方向角的选取建议。最后通过具体混凝土重力坝工程实例，依据抗力角的选取建议对其沿缓倾角软弱结构面的抗滑稳定问题进行分析，并给出了其最危险滑移面。

Abstract

Equal safety factor (K) method is recommended for double-slide mode in the code for design of concrete gravity dams(SL319-2005)

but there is no unified standard for the determination of the resistance angle between two blocks and it is very sensitive to the calculating result. In this paper

the resistance angle is discussed in detail. In order to get reasonable resistance angle of two blocks

Sarma method

finite element method and the slice-free method of limit equilibrium method are used for the anti-sliding stability of double-slide mode; then a suggestion for determining the resistance angle is given. Finally the stability against deep slide of concrete gravity dam is analyzed and the critical slip surface of double-slide mode is searched.

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