[1]肖君健,高艳,万帆,等.武汉汤逊湖水系遭遇超长历时暴雨的内涝风险分析[J].中国给水排水,2020,36(13):89-95.
　XIAO Jun-jian,GAO Yan,WAN Fan,et al. Analysis on Waterlogging Risk of Tangxun Lake Water System under Super-long Duration Rainstorm in Wuhan City [J].China Water & Wastewater,2020,36(13):89-95.
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武汉汤逊湖水系遭遇超长历时暴雨的内涝风险分析

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第36卷 期数: 2020年第13期 页码: 89-95 栏目: 出版日期: 2020-07-01
Title:
Analysis on Waterlogging Risk of Tangxun Lake Water System under Super-long Duration Rainstorm in Wuhan City
作者:
肖君健1，高艳1，万帆1，罗强2，罗文兵 3
(1.武汉市规划设计有限公司，湖北武汉430014；2.武汉大学水资源与水电工程科学
国家重点实验室，湖北武汉430072；3.长江水利委员会长江科学院，湖北武汉 430010)
Author(s):
XIAO Jun-jian1,GAO Yan1,WAN Fan1,LUO Qiang2,LUO Wen-bing 3
(1. Wuhan Planning and Design Co. Ltd., Wuhan 430014, China; 2. State Key Laboratory of
Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China;
3. Changjiang River Scientific Research Institute, Changjiang Water Resources Commission, Wuhan
430010, China)
关键词:
超长历时暴雨; 内涝风险; 排涝标准; 水力模型; 汤逊湖水系
Keywords:
super-long duration rainstorm; waterlogging risk; drainage standard; hydraulic model; Tangxun Lake water system
摘要:
设计城市内涝防治设施时，根据设施的服务面积，一般采用3~24 h长历时设计降雨。武汉市地处平原湖区，雨水系统汇水面积大，遭遇超长历时（1~7 d）连续暴雨时，由于湖泊调蓄容量难以及时腾空，易发生系统性内涝灾害，3~24 h长历时降雨已无法满足排水设施的设计需求。为此，以武汉市汤逊湖水系为例，研究了武汉市超长历时暴雨的特征及其发生频率，并通过构建的汤逊湖水系水动力模型，系统分析了汤逊湖水系遭遇超长历时暴雨的内涝风险。结果表明，汤逊湖水系的排涝安全应校核超长历时暴雨的内涝风险；在50年一遇设计重现期下，汤逊湖水系采用2 d设计降雨更为安全。
Abstract:
When designing urban waterlogging prevention and control facilities, the rainfall duration is determined according to the service area of the facility, and 3-24 h long duration rainfall is usually adopted. Wuhan is located in a plain lake area, and its rainwater system has a large catchment area. When encountering a continuous heavy rain (1-7 d), the lake which hasn’t enough time to vacate the storage capacity may suffer systematic waterlogging disaster. Therefore, 3-24 h long duration rainfall is unable to meet the design needs of drainage facilities. Taking the Tangxun Lake water system as an example, the characteristics and frequency of the heavy rain (1-7 d) in Wuhan were explored and the waterlogging risk caused by longterm torrential rain was systematically analyzed through constructing hydrodynamic model of Tangxun Lake water system. The waterlogging risk during the longterm torrential rain should be checked to insure the drainage safety of the Tangxun Lake water system, and it was safer to use 2day design rainfall to design the Tangxun Lake water system with return period of 50 years.

相似文献/References:

[1]王俊佳,王川涛,曾胜.基于情景模拟的城市排水能力及内涝风险评估[J].中国给水排水,2020,36(17):115.
　WANG Jun-jia,WANG Chuan-tao,ZENG Sheng.Assessment of Urban Drainage Capacity and Waterlogging Risk Based on Scenario Simulation[J].China Water & Wastewater,2020,36(13):115.

更新日期/Last Update: 2020-07-01