止水帷幕对基坑渗流场的影响分析研究  

Analysis and Study on Influence of Water-proof Curtain on Foundation Pit Seepage Field

作　　者：刘伟业 LIU Wei-ye(Heilongjiang Provincial Qingda Water Conservancy Project Limited Company,Harbin 150080,China)

机构地区：[1]黑龙江省庆达水利水电工程有限公司

出　　处：《黑龙江水利科技》2019年第8期12-16,共5页Heilongjiang Hydraulic Science and Technology

摘　　要：地下水渗流对基坑安全稳定的影响至关重要,对于在渗流作用下的基坑施工研究有着十分重要的实际意义。文章基于二维数值模型,运用控制变量法设置不同基坑止水帷幕深度,研究在不同工况下基坑开挖渗流作用带来的渗流场影响,结论对于指导在基坑施工中的止水帷幕设计具有一定的指导意义。The influence of groundwater seepage on the safety and stability of foundation pit is very important,which is of significant for the research of foundation pit construction under the seepage action.Based on the two-dimensional numerical model,this paper uses the control variable model to set different depth of foundation pit waterproof curtain,and researches the influence of seepage field caused by the seepage action of foundation pit excavation under different working conditions.The conclusion is helpful to the design of waterproof curtain in foundation pit construction.

关 键 词：止水帷幕 地下水渗流 基坑安全 二维数值模型 

分 类 号：TU463[建筑科学—结构工程]