Research on deep anti-sliding stability of gravity dam by foundation deformation analysis

WANG Xian-jun; CHANG Xiao-lin; ZHOU Wei

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Research on deep anti-sliding stability of gravity dam by foundation deformation analysis

更新时间：2026-06-25

- Research on deep anti-sliding stability of gravity dam by foundation deformation analysis
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  武汉大学水资源与水电工程科学国家重点实验室,武汉,430072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV223.3
- Online First：16 December 2006，
  
  Published：2006
- 稿件说明：
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WANG Xian-jun, CHANG Xiao-lin, ZHOU Wei. Research on deep anti-sliding stability of gravity dam by foundation deformation analysis[J]. 2006, 27(S2).
DOI：

WANG Xian-jun, CHANG Xiao-lin, ZHOU Wei. Research on deep anti-sliding stability of gravity dam by foundation deformation analysis[J]. 2006, 27(S2). DOI：

摘要

坝基变形是引起坝基失稳的一个重要因素，但在研究坝基稳定性的过程中，坝基变形并未得到充分重视。关键点的合理选取是正确使用坝基变形特点研究坝基稳定性的前提，在对向家坝泄12坝段深层抗滑稳定进行非线性有限元分析时，对关键点的选取进行了有益的探索并提出了选取方法和关键部位的概念，即起主要抗滑作用的部位。通过研究各关键部位关键点的变形特点，根据关键部位在抗滑过程中的重要性并结合屈服区的发展，从不同的安全层面研究了重力坝深层抗滑稳定的安全度，并给出合理的处于极限状态的强度储备系数及其下限值，这种研究重力坝深层抗滑稳定的方法具有自己的特色。

Abstract

Dam foundation deformation should be paid more attention in studying foundation failure process. Key node plays an important role in dam foundation deformation analysis. In a 2D-finite element analysis of deep anti-sliding stability of dam section #12 foundation of the Xiangjiaba Project

the problem of key node selection is investigated and a key node selection method is proposed. According to the key node deformation and the distribution of the plastic zone in the foundation

the safety degree of deep anti-sliding stability of foundation of dam section #12 is evaluated on different levels based on the importance of key part which key node belongs to. The safety factor and its lower limit based on the concept of strength reserve of foundation of dam section #12 are given.

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