QIUJian,SUNQuan,ZHANGJun.Thoughts and Technical Measures for Reconstruction of Road Waterlogging Points in Downtown Jiujiang[J].China Water & Wastewater,2022,38(4):6-11.
九江市中心城区道路积水点改造思路及技术措施
- Title:
- Thoughts and Technical Measures for Reconstruction of Road Waterlogging Points in Downtown Jiujiang
- 摘要:
- 为实际解决城市道路中小范围雨水滩积的问题，完善城市排涝防洪体系，以九江市城市内涝点整治为例，研究分析城市内涝点的积水成因，在此基础上总结形成 “规划 - 建设 - 管理”三位一体的城市内涝防治理念。采用InfoWorks ICM软件建立雨水管道排水模型，对现状长江大道雨水管过流能力进行分析，结果显示现状雨水系统不满足暴雨重现期和排涝标准。工程通过采取“源头减排 - 管网排放 - 蓄排并举 - 末端控制”系统性技术和长江大道积水点改造措施，将雨水管道提升至2年一遇排放标准及30年一遇排涝标准。
- Abstract:
- The causes of waterlogging in urban waterlogging points located in Jiujiang were analyzed to solve the problem of rainwater accumulation in small and medium areas of urban roads and improve the urban drainage and flood control system. On this basis, the triad urban waterlogging prevention and control concept of “planning-construction-management” was summarized. A rainwater pipe drainage model was established by using InfoWorks ICM software for analysis of the current flow capacity of rainwater pipe in Yangtze River Avenue. The results showed that the current rainwater system did not satisfy the rainstorm return period and drainage standards. The project adopted the systematic technology of “source reduction, pipe network discharge, simultaneous storage and drainage and terminal control” and measures for reconstructing waterlogging points of the Yangtze River Avenue to raise the rainwater pipeline to the 2-year return period discharge standard and the 30-year return period drainage standard.
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