城市雨水管道排水能力影响因素分析--以苏州市为例

摘要

该文应用 Infoworks ICM工具研究了管道逆坡、淤积等因素对管道排水能力的影响，结果表明管道逆坡对其排水能力影响并不明显，管道淤积、出流方式、大管套小管对管道排水能力影响显著，压力流状态下管道排水能力大大增强。城市排水建设是一个系统工程，一方面需提高雨水管网的设计重现期、重视管道施工质量，另一方面也应加强对管网的养护管理，改善管网的排水环境。%By using Infoworks ICM,capacity of water sewerage influenced by factors like the inverse slope of pipelines and siltation was studied. The results show that the inverse slope of pipelines has no noticeable effect on the capacity of water sewerage,while pipeline siltation,means of effluent,and the set of pipes affect the capacity of water sewerage significantly. The capacity of water sewerage is greatly enhanced under pressure flow. Urban sewerage construction is a systematic project. On one hand,design frequency of rain pipe network should be increased,and the quality of construction should be paid attention to. On the other hand,maintenance and management of the pipe network should be strengthened,and sewerage environment of the network should also be improved.