地下工程施工中止水技术研究

针对地下工程施工中地连墙等围护结构接缝渗漏及主体结构缝隙部位渗漏问题,分析其产生漏水的原因及常用止水材料存在的缺点。在此基础上,对现有止水技术和既有止水材料的改进进行研究与探讨,提出体膨颗粒快速堵水加固技术、水溶膜缓膨技术、预溶模液体膨胀橡胶止水带技术3种新型止水技术。并详细阐述3种新型止水技术材料的性能、止水原理和施工工艺。

Research on Water-stop Technology in Underground Engineering Construction

For the problems of palisade structure leakage and main body structure crack joints part leakage in underground engineering construction,this paper analyzes the cause of the leak produce and the drawbacks of the commonly used water-stop material.On that basis,the existing water technology and improvement of water stop materials are researched and discussed.Three new water-stop technologies are put forward.The performance,water-stop principle and construction technology of the three new water-stop technology material are discussed.