Stress-strain anlaysis of Zipingpu concrete faced rockfill dam

SUN Tao; GAO Xi-zhang; YANG Jian

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Stress-strain anlaysis of Zipingpu concrete faced rockfill dam

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- Stress-strain anlaysis of Zipingpu concrete faced rockfill dam
- Vol. 27, Issue 2, (2006)
- 作者机构：
  
  四川省水利水电勘测设计研究院,成都,610072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU433
- Online First：25 October 2013，
  
  Published：2006
- 稿件说明：
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SUN Tao, GAO Xi-zhang, YANG Jian. Stress-strain anlaysis of Zipingpu concrete faced rockfill dam[J]. 2006, 27(2).
DOI：

SUN Tao, GAO Xi-zhang, YANG Jian. Stress-strain anlaysis of Zipingpu concrete faced rockfill dam[J]. 2006, 27(2). DOI：

摘要

利用考虑剪胀性和应变软化性的K-G模型和目前应用较广泛的E-? 模型，对紫坪铺混凝土面板坝进行了二维有限元应力-应变对比计算分析，同时将分析结果与采用双屈服面弹塑性模型三维有限元计算结果以及已建其他工程观测资料比较，得到了坝体应力-应变规律，表明这种K-G模型计算所得的沉降和水平位移在正常范围内，尤其是水平位移的计算明显比邓肯-张E-? 模型计算结果合理，初步验证所建议模型的合理性。

Abstract

The new K-G Model that considers the dilatancy and strain softening of soils and the widespread E-u model are applied to 2-D finite element aualysis of stress-strain of Zipingpu Concrete Faced Rockfill Dam. The result of the K-G model is compared with the results the E-u model and

3-D FEM stress-strain analysis of the dam and the prototype observations of the other built projects to obtain the stress-displacement law of the dam. The result of the settlement and level displacement of the dam applied the new K-G model is normal. Especially

the new K-G model is more rational than the E-u model at the side of the horizontal displacement. The results test and verify the new K-G model’s rationality initially.

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