不停水维修大口径混凝土管新方法——导气导流法  

Hot-Line Maintenance of Big Size Cement Pipe

作　　者：夏季春 

出　　处：《给水排水》2002年第5期79-80,共2页Water & Wastewater Engineering

摘　　要：对较大口径的混凝土供水干管爆管维修 ,常规采用停水维修作业方法。叙述了带水带压使用导气导流法 ,辅以快速堵漏剂进行维修的新方法。The interrupted service of big size water transportation cement main will be replaced by hot line maintenance, in this paper such a method called air and water flows conductive manipulation supported by quick leakage stop agent was presented. By this way the burst cement pipe could be repaired under water flow with working pressure.

关 键 词：大口径混凝土管 导气导流法 带压维修 堵漏 供水干管 

分 类 号：TU991.36[建筑科学—市政工程]