短管内衬施工技术在城市排水管网改造中的应用

打开文本图片集

中图分类号：TU992 文献标志码：A 文章编号：2095-2945（2025）19-0152-04

Abstract：Takingthefirst-phaserenovationandrestorationprojet ofadrainagepipe networkasanexample，the aplicationofshorttubeliningconstructiontechnologyisexplored.Afterearlygastestingandpipelinedredging，CCTVtestings usedtojudgethepipelinecleaningstatus，andshortpipeliningconstructioniscariedoutafteritisdeterminedthatthe pipeline equirementsaremet.ThepullingmethodisusedtoinsertPEshortpipesintotheoriginalconcretepipes，andthegap betweentheoldandnewpipesisfiledbypipegrouting tofurtherimprovethepressurebearingcapacityofthedrainagepipe network.Finall，thepipeendsaretreatedbymortarplaster，andanairtighttestiscariedouttoensuregodtightnessof the pipenetworkafterthetransformation.Aftertherenovationofthisproject，theflowandflowrateofthedrainagepipenetwork have increased，and the drainage capacity has been improved.

Keywords： drainagepipe network；short pipe lining construction；CCTV testing；air-tight test;application benefits

城市排水管网在投入使用一定年限后，管道老化、腐蚀、淤堵等原因会导致排水能力下降，渗漏问题严重，必须要进行排水管网的改造修复。（剩余3764字）