短管內(nèi)襯施工技術(shù)在城市排水管網(wǎng)改造中的應(yīng)用
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中圖分類號(hào)：TU992 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：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
城市排水管網(wǎng)在投入使用一定年限后，管道老化、腐蝕、淤堵等原因會(huì)導(dǎo)致排水能力下降，滲漏問題嚴(yán)重，必須要進(jìn)行排水管網(wǎng)的改造修復(fù)。（剩余3764字）