XIANG Wei-gang,MA Bao-song,ZHAO Ya-hong.Research Review on Trenchless CIPP Repair Technology in Water Supply and Drainage Pipes[J].China Water & Wastewater,2020,36(20):1-9.
给排水管道非开挖CIPP修复技术研究综述
- Title:
- Research Review on Trenchless CIPP Repair Technology in Water Supply and Drainage Pipes
- Keywords:
- trenchless repair; CIPP; structural stiffness; elastic stability; peripheral earth pressure
- 摘要:
- CIPP（原位固化法）作为一种重要的非开挖管道修复技术，具有施工速度快、工期短、内衬管与原管道紧密贴合、内衬管连续且表面光滑等优点，被广泛应用于污水管道、供水管道等给水排水管道的修复和更新。在充分调研国内外对该技术的研究基础上，重点介绍了近年来国内外CIPP修复技术在弹性稳定性、结构刚度、强度（承载力）及管周土压力等方面的研究情况，指出了目前在CIPP设计过程中存在的缺陷及未来的研究方向。简要介绍了我国CIPP修复技术的工程实践以及面临的问题与挑战，为进一步研究内衬管的结构受力特性提供参考。
- Abstract:
- As an important trenchless pipeline repair technology, CIPP (Cured-In-Place Pipe) is widely used in the repair and renewal of sewage pipeline, and water supply pipeline and other water supply and drainage pipeline due to its advantages of fast construction speed, short construction period, tight fitting between the lining pipe and the original pipe, continuous lining pipe and smooth surface, etc. Based on a sufficient investigation of domestic and foreign research on CIPP repair technology, this paper reviewed the parameters of CIPP repair technology, including the elastic stability, structural stiffness, strength (bearing capacity) and peripheral earth pressure. This work points out the current defects in CIPP design and future research directions. In conclusion, we briefly introduce the engineering practice of CIPP repair technology in China, as well as the problems and challenges it faces, which could provide reference for further research on the mechanical characteristics of lining pipe.
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