摘要
针对采用地下连续墙的深基坑,从水文地质、异形幅地下连续墙钢筋笼、槽段反循环清底、问题地下连续墙处理、降压井设计等角度对基坑渗漏水的原因进行分析,并提出一套适用于深层承压水渗漏事故的系统性应急处置方案。新方案应用于具体工程中,很好地解决了基坑渗漏水的问题,积累的经验可供类似工程参考。
In view of the deep foundation pit with underground diaphragm wall,the causes of water leakage in the foundation pit are analyzed from the perspectives of hydrogeology,reinforcement cage of special-shaped diaphragm wall,reverse circulation bottom cleaning of groove section,treatment of problematic diaphragm wall,design of stepdown well,etc.,and a set of systematic emergency response plan which is applicable to the leakage of deep confined water is proposed.The new scheme is applied to specific projects,and the problem of water leakage in the foundation pit is solved very well.The accumulated experience can be used as a reference for similar projects.
作者
潘国庆
PAN Guoqing(Tengda Construction Group Co.,Ltd.,Shanghai 200120,China)
出处
《建筑施工》
2023年第4期639-641,共3页
Building Construction
关键词
软土地基
深基坑
地下连续墙
渗漏水
soft soil foundation
deep foundation pit
underground diaphragm wall
water leakage
