esystemsanintegralpartoftheroadwhichformsthedrainagepipesanddrainagepipes.Theformoftubedrainagedesignincludesstreetgutters,rainwaterpipesconnectingthemouthandlaid.monpositionisoffsetorwaterpipe,waterpipeleakswaterclosedtestfailure,essoriesthepoorqualityofthesinking,sinkingbackfilling..Keywords:municipalroads,roaddrainage,drainagepipedrainageform,qualityissues,preventivemeasures 目录1概述?12市政道路排水系统构成 13市政道路排水设计?13.1水文调查?23.2雨水口的设置?33.3管材的选择?33.4管道高程?33.5路面排水?33.5.1增设硬路肩排水盲沟?33.5.2增设中央分隔带边缘排水盲沟?44市政道路排水施工?54.1管道位置偏移或积水?54.1.1产生原因?54.1.2预防措施?54.2管道渗漏水闭水试验不合格?54.2.1产生原因?54.2.2预防措施?54.3检查井变形、下沉构配件质量差?74.3.1产生原因?74.3.2防止措施?74.4回填土沉陷?74.4.1产生原因?74.4.2预防与治理措施?75结论?8参考文献?9致谢...............................................................................................................................10
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