城市污水管网的腐蚀与检测修复研究

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1、重庆大学硕士学位论文城市污水管网的腐蚀与检测修复研究姓名：刘林湘申请学位级别：硕士专业：市政工程指导教师：龙腾锐20040420重庆大学硕士学位论文6)根据管道破坏状况以及修复技术的优缺点和适用范围选择修复技术。本文最后以一简单的污水管网为例进行了分析，通过实例说明提出的城市污水管网修复决策支持系统是可行的，能有效地指导城市污水管网的检测修复。关键词：污水管网，检测，状况评价，修复，决策支持系统Ⅱ英文摘要ABSTRACTUrbansewersystemsareoneofthemostimportantundergro

2、undinfrastructureinmunicipalities，drainingthewastewaterproducedbymunicipalitiesandkeepingmunicipalitiesawayfromthedisasterscausedbywastewater．ButtheurbanSewersystemsdemandhugeinvestments，takingashareof50～70％outofthewholeinvestmentsforthewastewaterprojects．Asthe

3、existingsewerpipesavailablegetolderandmoresewersystems82-ebeingbuiltandenlarged，herecomesthequestions：howtocarryoutinspectionandrehabilitationofthelageramountofpipeswhichvaryinageandhowtomakearehabilitationdecision．Theseareimportantquestionsdealingwithattemptin

4、gtolninizIlizepipebuildingandmaintenanceinvestments，keepingaccidentsofcontaminationatlowlevel，avoidingdamagetothesystems，andmaintainingthefunctionofthepipes．Concretesewersareeasytobecorrodedbycorrosiveelementsinthewastewater．Thestudyofthecorrosionofconcretesewe

5、rsisstatedinothel"articleandisnotdescribedhere．ThecorrosionmodelsdeducedfromthatstudyarequotedheretOpredicttheprobabilityoffailureofconcretesewersundercertaincircumstances．Thearticleanalyzesthepossiblemajorharmcausedbypipefailure(esp．undergroundwatercontaminati

6、onandsoilcontaminationbywastewaterleakage)andmakesthecorrespondingcontaminationassessment，evaluatesthee∞nomiclosscausedbythecontaminationsandthenstressesthenecessityofinspectionandproactiverehabilitationofsewers．Focusingoninspectionandrehabilitationofsewers，thi

7、sarticlethendiscussesinspectionandtheconditionassessmenttechnologiesandtherehabilitationtechnolc}百esofsewers，andfinallyprovidesapracticable．decisionsupportsystemforrehabilitationofurbansewersystems．Inaddition，aexampleofaconcretesewersystemisperformedinthearticl

8、e．Inspectionofsewerpipesconsistsofdirectinspectionandindirectinspection．Directinspecfiondirectlydeterminesthelosslevelofthecorrodedpipes。Theinspectiontechnologiesinclude：man