The Analysis of Three Dimensional FEM for Interaction of the Gravity-arch Dam and Complex Ground at Geheyan, Qingjiang River

Yang Jialing; Zheng Hong; Ge Xiurun

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The Analysis of Three Dimensional FEM for Interaction of the Gravity-arch Dam and Complex Ground at Geheyan, Qingjiang River

更新时间：2026-06-25

- The Analysis of Three Dimensional FEM for Interaction of the Gravity-arch Dam and Complex Ground at Geheyan, Qingjiang River
- Vol. 10, Issue 4, (1989)
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- Online First：23 July 2017，
  
  Published：1989
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Yang Jialing, Zheng Hong, Ge Xiurun. The Analysis of Three Dimensional FEM for Interaction of the Gravity-arch Dam and Complex Ground at Geheyan, Qingjiang River[J]. 1989, 10(4).
DOI：

Yang Jialing, Zheng Hong, Ge Xiurun. The Analysis of Three Dimensional FEM for Interaction of the Gravity-arch Dam and Complex Ground at Geheyan, Qingjiang River[J]. 1989, 10(4). DOI：

摘要

本文介绍了建在复杂地基上的清江隔河岩重力拱坝的三维有限元分析。计算模型考虑了坝基岩体岩层的倾斜错位

三条大断层与二个沿层面方向的软弱夹层等复杂的地质因素。计算了静水压力、坝自重、扬压力及温度应力等荷载

其中包括地基三维渗流场和温度变化场的计算。坝体结构复杂且呈左右不对称状。计算模型所涉范围约 1400X900X600m~3。有限元网格包括各类单元1845个

节点总数达3280个。采用超松弛迭代法求解。分析中应用了三线透视图象和后处理软件系统。此项计算规模巨大、处理问题复杂的三维有限元的各项计算分析结果均为合理。为设计单位提供了重要依据

对于正在建设中的隔河岩大坝具有重要的实用意义。

Abstract

This paper introduces the analysis of three dimensional finite element method for the gravity-arch dam building on the complex ground. The foundation rock of dip and strain-slip

three faults

two weak intercalations and etc. arc considered in this calculation model. Water static pressure

gravity of dam

uplift

temperature stress and so on are computed

including three dimensional osmotic and temperature fields in the foundation. The range of calculation model is about 1400×900×600m2 . There are 1845 elements of all kinds

3280 nodes in the network of finite element. The superlax iterative method is used to solve

and three dimensional perspective and software of after treatment are applied in analyses. The dimension of this computation is large

various results of treating complex problems are reasonable. The important basis has applied to designing unit. The computation is important practical significance for Geheyan Dam which is being built.

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