内膜揭除——排水管道非开挖内衬修复的要素

Inner-membrane Uncovered --- Essential Factor of Drain Pipe Lining Rehabilitation

本文概要论述了排水管道内衬修复技术应满足的一般特征；同时从天津开发区现有排水管道运行中面临的实际问题出发，分析了非开挖内衬修复工艺选择时的关注点；特别强调了内膜揭除在排水管道内衬修复技术应用中的必要性。

This paper discusses the drain pipe lining rehabilitation technology should satisfy the general characteristics; At the same time , faced the practical problems of these existing sewer in TEDA, we analyzed the concerns about the choice of trenchless lining repair technology; Special emphasis was the necessity which the inner-membrane has uncovered by the application with lining repair technology in drainage ducts.