Influence of creeping on separation between concrete slab and cushion layer in high concrete face rock-fill dam

ZHANG Bing-yin; SHI Rui-feng

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Influence of creeping on separation between concrete slab and cushion layer in high concrete face rock-fill dam

更新时间：2026-06-25

- Influence of creeping on separation between concrete slab and cushion layer in high concrete face rock-fill dam
- Vol. 25, Issue 8期　刊出日, (2004)
- 作者机构：
  
  清华大学岩土工程研究所,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV64
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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ZHANG Bing-yin, SHI Rui-feng. Influence of creeping on separation between concrete slab and cushion layer in high concrete face rock-fill dam[J]. 2004, 25(8期　刊出日).
DOI：

ZHANG Bing-yin, SHI Rui-feng. Influence of creeping on separation between concrete slab and cushion layer in high concrete face rock-fill dam[J]. 2004, 25(8期　刊出日). DOI：

摘要

面板堆石坝尤其是高面板堆石坝的运行实践表明，堆石的流变现象比较显著。采用基于直接约束算法的接触力学分析方法模拟了混凝土面板和堆石体之间的接触关系。考虑堆石体的流变特性，并结合天生桥一级面板堆石坝的现场观测结果，对高面板堆石坝中的面板脱空问题进行了有限元计算分析，研究了坝体流变变形对面板脱空和垫层亏坡问题的影响。

Abstract

In concrete face rock-fill dam (CFRD)

especially when the dam is high

creeping of the dam body can be critical. In this paper

a numerical procedure is developed to study the influence of the creep deformation on the separation between concrete slab and cushion layer in high CFRD. The procedure is based on the finite element method and the direct constraints method is used to simulate the contact behavior between the concrete slab and the cushion layer. The procedure is applied to Tianshengqiao-I CFRD. Based on a comparison of the numerical results with in-situ measurements

the effects of creep deformation on the separation between concrete slab and cushion layer are investigated.

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