子模型方法研究瀑布沟土石坝防渗结构  

Study on seepage prevention structure for Pubugou earth-rock dam by sub-model method

作　　者：吴秋军[1] 傅少君[1] 

机构地区：[1]武汉大学土木建筑工程学院,湖北武汉430072

出　　处：《武汉大学学报（工学版）》2006年第3期55-59,共5页Engineering Journal of Wuhan University

摘　　要：根据瀑布沟土石坝防渗体系的结构特点及土石坝施工填筑过程,利用有限元方法对瀑布沟土石坝整体进行了渗流分析和应力变形计算;考虑防渗墙与廊道接头局部构造,采用子模型技术,对接头部位进行了深入的计算分析,得到更加合理的数值解,为大坝防渗结构设计的优化提供了参考依据.According to the characteristics of the seepage prevention system of Pubugou earth-rock dam, FEM is applied to analyzing the seepage flow and the stress and strain of the whole dam. Then considering the construction of the joint area between the concrete cut-off walls and the core wall, sub-model method is adopted to further study the joint area; and better numerical results, which can be offered to the designer for optimizing the design of the dam, are achieved.

关 键 词：有限单元法 子模型方法 接头部位 应力应变 防渗结构 

分 类 号：TV641[水利工程—水利水电工程]