研究目的:哈尔滨地铁1号线车辆段主要承担全线车辆的停放、运用、整备、检修和救援工作，因此车辆段雨水排水安全尤为重要。在车辆段建成前，周边市政排水设施已经以较低设计标准建设完成，而车辆段排水设计标准较市政高，因此市政排水设施无能力接纳车辆段雨水。有必要对车辆段雨水排水设计进行详细分析，以确定合理排水方案。
研究结论:通过研究得出:(1)应综合考虑哈尔滨地铁1号线车辆段周边市政雨水系统接纳能力、受纳河道洪水位和河底高程、综合管线等因素，同时考虑事故状态的排水安全;(2)将车辆段雨水采用雨水泵站排人附近河流，解决了暴雨时雨水排水出路问题;(3)将设计起点处的雨水管管径放大并连接成环，以提高事故情况下的应急排水能力，确保车辆段排水安全;(4)本设计可为其它类似的轨道交通车辆段雨水排水工程提供参考。
Research purposes: The main function of the metro depot of Line 1 of Harbin metro undertakes the works of parking，using，service，repair and rescue of the metro vehicle，so the rainwater drainage in the depot is very important. Before building the depot，the municipal drainage system nearby was complete with a relatively lower design standard. The design standard for the drainage system in the depot is higher than the municipal drainage system，so the rainwater collected form the depot is difficult to discharge into the municipal rainwater drainage pipeline. Above all，it is necessary to analyze the rainwater drainage design of the depot in detail to finally determines the reasonable drainage scheme.
Research conclusions: From the research it is concluded: (1) On full consideration of the acceptance capacity of the municipal drainage，the flood level and river bed elevation of the water-receiving river, the integrated pipeline around the depot and the drainage safety under emergency condition，the rainwater pumping station should be used to pump the depot's rainwater into the river nearby to solve the problem of discharging the rainwater. (2)By increasing the pipeline diameter of the starting area and connecting the pipelines into loop，not only is the capacity of rainwater drainage under emergency condition enhanced，but also the safety of rainwater drainage of the depot is insured.(3)This design can provide a reference to the similar rainwater drainage works.
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