非开挖管线修复技术及其在我国的发展

Trenchless Pipe Rehabilitation Techniques and Their Development in China

本文就当前国内外使用的非开挖管线修复方法、对其技术经济的评价及在我国的发展情况做一概括性的论述。文章特别介绍了内衬修复方法的施工原理及它们的应用范围，包括折叠法、模压法、螺旋扩展法和翻转内衬法等。作者经过调研认为，我国的非开挖修复行业虽然起步较晚，但近年来发展迅速，国内非开挖管线修市场已初具规模。国家的政策也为修复行业带来很大的机遇。

In the article author details classification of trenchless rehabilitation methods and their specification, application and advantages, especially some technologies used widely.for market in the world like Sliplining, CIPP and U-line etc.. Also author states tech-economic evaluation on pipeline repairing engineering and development of the pipe rehabilitation in China.