Evaluating adaptability to build dams on dissolution foundation system based on stochastic finite element method

ZHANG She-rong; YAN Lei; WANG Chao; SUN Bo; SA Wen-qi

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Evaluating adaptability to build dams on dissolution foundation system based on stochastic finite element method

更新时间：2026-06-25

- Evaluating adaptability to build dams on dissolution foundation system based on stochastic finite element method
- Vol. 33, Issue 2, (2012)
- 作者机构：
  
  天津大学建筑工程学院,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV551.4
- Online First：14 February 2012，
  
  Published：2012
- 稿件说明：
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ZHANG She-rong, YAN Lei, WANG Chao, et al. Evaluating adaptability to build dams on dissolution foundation system based on stochastic finite element method[J]. 2012, 33(2).
DOI：

ZHANG She-rong, YAN Lei, WANG Chao, et al. Evaluating adaptability to build dams on dissolution foundation system based on stochastic finite element method[J]. 2012, 33(2). DOI：

摘要

依托溶蚀地基上建坝的典型工程问题，在研究坝基溶蚀空间展布特征的基础上，建立溶蚀带力学参数随机场模型，采用随机有限元方法研究坝体工作性态的统计特性，评价了溶蚀坝基建坝适应性。采用溶蚀带力学参数随机场模型，等效模拟了空间内溶蚀体的无序分布系统，排除地质统计中线溶蚀率的人为假定，避免了以往确定性分析模型中溶蚀体缺失现象。研究方法和成果亦可以为其他相似复杂地基工程的数值分析提供新的思路和参考。

Abstract

Taking typical engineering problems of dam construction on dissolution foundation for example

the dissolution belt random field model is established based on researching characteristics of the spatial distribution of dissolution rocks. Then

the adaptability is evaluated to build dams on the foundation and the statistical properties of the dam are studied through stochastic finite element method (SFEM). The model simulates the disorderly distribution of rock dissolution

eliminates artificial assumption of the line corrosion rate

and avoids the shortage of rock dissolutions in the deterministic model. The method and conclusion also provide a useful reference to the numerical analysis under the complex geological conditions.

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Related Institution

State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University

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