双液注浆技术在杭州市天城广场工程中的应用

Application of Double Liquid Grouting in Hangzhou Tiancheng Square

摘要:

针对杭州市天城广场工程在基坑开挖过程中地下连续墙接缝处局部出现渗漏水的情况，为确保基坑开挖及周边建筑物的运作安全，采用水泥-水玻璃双液注浆技术对该部位出现的渗漏进行技术处理。分析了渗漏的原因,介绍了水泥-水玻璃双液注浆工艺及施工技术措施。

Abstract:

In view of partial seepage in underground continuous wall during structure excavation in Hangzhou Tiancheng square, cement-sodium silicate double liquid grouting technology is used to ensure the safety during excavation. It can provide reference in the similar deep foundation pit construction.