摘要
文章采用改进截止负压法对万家口子拱坝坝基渗流场进行了有限元计算分析,重点研究了帷幕和排水孔联合作用下拱坝坝基渗流场分布特性。经过多种工况计算结果比对和综合分析,评估了坝基渗流场的主要渗流特性、宏观渗控能力、局部渗控薄弱环节等,进一步明确了万家口子拱坝工程中的主要渗流特性和渗流问题,为大坝设计提供了依据。
Finite element calculation of improved cut-off negative pressure method is used to analyse seepage field of the Wan Jia Kou Zi arch dam,and it takes great attach to the distribution characteristic of arch dam foundation acted by the combination of purdah and drainage holes.After the contrast and integrated analysis on calculation result of various work conditions,main seepage characteristic,macroscopical seepage control ability and weakness tache in local seepage control are evaluated,and the main seepage characteristic and seepage problems in Wan Jia Kou Zi arch dam engineering are ulteriorly realized,thus it offers warrant for the dam design.
出处
《中国西部科技》
2009年第9期13-16,共4页
Science and Technology of West China
关键词
拱坝
渗流
改进截止负压法
排水孔
Arch clam
Seepage
Improved cut-off negative pressure method
Drainage hole
