大型深基坑管涌抢险施工技术  

Construction Technology of Piping Emergency in Large Deep Foundation Pit

作　　者：董松[1] 张津铨 朱帅帅 徐亮 钱晨 DONG Song;ZHANG Jinquan;ZHU Shuaishuai;XU Liang;QIAN Chen(Jiangsu Nantong No.2 Construction Engineering (Group)Co.,Ltd.,Nantong,Jiangsu 226200,China)

机构地区：[1]江苏南通二建集团有限公司,江苏南通226200

出　　处：《建筑施工》2018年第12期2080-2082,共3页Building Construction

摘　　要：苏州中润广场在深基坑施工过程中发生了管涌现象,通过对事故原因进行分析,制订了改用大功率潜水泵、加厚垫层、对坑中坑基础底板二次浇筑等安全可靠、合理可行的处理方案,有效解决了管涌问题,为类似深基坑工程抢险施工提供了技术支撑。The piping phenomenon occurred in the construction of deep foundation pits in Suzhou Zhongrun Square. Through analyzing the causes of accidents,a safe and reliable,proper and feasible treatment scheme of using highpower submersible pumps,thickening cushions and secondary casting of pit in foundation pit was developed,which effectively solved the piping problem and provided technical support for the emergency construction of similar deep foundation pit engineering.

关 键 词：深基坑施工 管涌 抢险处理 二次浇筑 

分 类 号：TU753.66[建筑科学—建筑技术科学]