基于SWMM模型的城市已建区排水防涝提标改造途径探讨

孙铮; 王建龙; 张长鹤; 王雪婷; 邱荣庭

doi:10.13205/j.hjgc.202209027

基于SWMM模型的城市已建区排水防涝提标改造途径探讨

doi: 10.13205/j.hjgc.202209027

1. 北京建筑大学城市雨水系统与水环境教育部重点实验室, 北京 100044;
2. 北京建筑大学北京节能减排与城乡可持续发展省部共建协同创新中心, 北京 100044

基金项目:

“十四五”国家重点研发计划课题“城市更新场景下的内涝系统治理技术研究”(2021YFC3001402)

详细信息

作者简介:
孙铮(1998-),女,硕士研究生,主要研究方向为城市防洪排涝模拟及风险评估。1061115143@qq.com

通讯作者:
王建龙(1978-),男,教授,主要研究方向为城市雨水控制与利用。wjl_xt@163.com

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出版历程
- 收稿日期: 2021-08-17
- 网络出版日期: 2022-11-09

DISCUSSION ON PATHWAYS FOR CAPACITY UPGRADING OF STORMWATER DRAINAGE AND FLOODING ALLEVIATION IN DEVELOPED URBAN AREAS BASED ON SWMM

1. Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
2. Beijing Energy Conservation & Sustainable Urban and Rural Development Provincial and Ministry Co-construction Collaboration Innovation Center, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

摘要

摘要: 随着城镇化建设高质量发展,城市排水防涝标准也在逐渐提高,因此,如何实施已建区排水系统的提标改造,是城市有机更新重要建设内容之一。以北京某已建区域为研究对象,提出了针对排水系统的排水能力和内涝防治标准GB 50014—2021《室外排水设计标准》统筹提标改造的方案,并借助于SWMM模型进行了方案优化评估。结果表明:通过海绵城市建设,在80%年径流总量控制率条件下,现状管网的排水能力可由1年一遇提标至2年一遇。在上述方案基础上,通过模拟评估内涝防治重现期(P=20 a)条件下雨水管网的过载情况,进一步提出并比较了调蓄池集中布置和分散布置2种方案,模拟结果表明:调蓄池末端集中布置无法解决上游区域管网的冒溢问题,而调蓄池分散式布置,可有效消除现状冒溢点,实现现状区域的内涝防治标准提高至20年一遇目标。因此,在已建区排水防涝提标改造过程中,根据场地空间条件,可优先考虑采用海绵城市建设与调蓄池分散式布置相结合的方式实现排水防涝提标改造目标。
- 排水 /
- 防涝 /
- 调蓄池 /
- SWMM /
- 年径流总量控制率
Abstract: With the high-quality development of urbanization, the standard of urban stormwater drainage and flooding alleviation are gradually increasing, therefore, how to realize the upgrade of stormwater drainage systems in developed areas is one of the important aspects of urban renewal. Taking a post-development area in Beijing as the research object, the pathways for upgrading the capacity of stormwater drainage system and the standard of flooding alleviation according to the revised Standard for the Design of Outdoor Wastewater Engineering(GB 50014—2021) were proposed and evaluated by SWMM. The results showed that, through the sponge city construction, the capacity of the existing stormwater drainage pipe network could be improved to 2-year return periods from 1-year, when the volume capture ratio of annual rainfall was 80%. On basis of sponge city construction, the operation of the stormwater drainage pipe was evaluated under the flooding alleviation standard of 20-year's return periods, then the centralized and decentralized distribution ways of detention tanks were further proposed and compared. The simulation results showed that the centralized distribution of detention tanks, which located nearby the outlet of the stormwater drainage pipe, couldn't alleviate the overflow from the drainage pipes in the upstream area, while the decentralized distribution of detention tanks could effectively eliminate the overflow from the drainage pipes in the upstream area, and upgrading the flooding alleviation capacity to 20-years' s return period. Therefore, according to site conditions, the optimal pathways to upgrading the capacity of stormwater drainage were sponge city construction, and upgrading the standard of flooding defense was the decentralized distribution of detention tanks in urban post-development areas.
- stormwater drainage /
- flooding alleviation /
- detention tank /
- SWMM /
- volume capture ratio of annual rainfall

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参考文献(21)

[1]	唐磊,周飞祥,王巍巍,等.北方城市典型内涝积水问题的系统化解决方案[J].中国给水排水,2020,36(13):139-144.
[2]	赵美玲,蒋海砖,冯江,等.城市排水防涝设施管理绩效评估体系构建[J].中国给水排水,2021,37(6):31-37.
[3]	王建龙,涂楠楠,席广朋,等.已建小区海绵化改造途径探讨[J].中国给水排水,2017,33(18):1-8.
[4]	李晗,王建龙,许怀奥,等.城市道路低影响开发雨水系统监测与评估[J].环境工程,2019,37(7):82-87.
[5]	周昕,高玉琴,吴迪.不同LID设施组合对区域雨洪控制效果的影响模拟[J].水资源保护,2021,37(3):26-31 ,73.
[6]	郝婧,周丹,聂超,等.福州老旧小区的海绵化改造案例[J].中国给水排水,2020,36(12):20-24.
[7]	POUR S H,WAHAB A K A,Shahid S,et al.Low impact development techniques to mitigate the impacts of climate-change-induced urban floods:current trends,issues,and challenges[J].Sustainable Cities and Society,2020,62:102373.
[8]	AHIABLAME L,SHAKYA R.Modeling flood reduction effects of low impact development at a watershed scale[J].Journal of Environmental Management,2016,171:81-91.
[9]	MATOS C,BRIGASA A,BENTES I,et al.An approach to the implementation of low impact development measures towards an eco campus classification [J].Journal of Environmental Management,2019,232:654-659.
[10]	陈雪娇,姜应和,徐天会.住宅小区径流削峰LID与调蓄池组合设置标准分析[J].中国给水排水,2019,35(19):133-138.
[11]	贾绍凤.我国城市雨洪管理近期应以防涝达标为重点[J].水资源保护,2017,33(2):13-15.
[12]	程涛,黄本胜,邱静,等.基于洪涝削减效果的海绵措施优化布局研究[J].水力发电学报,2021,40(7):32-46.
[13]	王路平,曾磊,刘俊,等.基于内涝防治目标的雨水调蓄池设计[J].水电能源科学,2021,39(2):47-50.
[14]	北京市建筑设计研究院有限公司.雨水控制与利用工程设计规范:DB 11/685—2013[S].北京:北京市质量技术监督局,2013.
[15]	任心欣,汤伟真.海绵城市年径流总量控制率等指标应用初探[J].中国给水排水,2015,31(13):105-109.
[16]	中华人民共和国住房和城乡建设部.海绵城市建设技术指南:低影响开发雨水系统构建(试行)[M].北京:中国建筑工业出版社,2015.
[17]	ROSSMAN L A.Storm water management model user’s manual [R].2009.https://www.epa.gov/water-research/storm-water-management-model-swmm-version-51-users-manual.
[18]	AL-SAFI H,SARUKKALIGE P R.The application of conceptual modeling to assess the impacts of future climate change on the hydrological response of the Harvey River catchment[J].Journal of Hydro-environment Research,2020,28:22-33.
[19]	MOHAMMED M H,ZWAIN H M,HASSAN W H.Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation:a case study[J].Results in Engineering,2021,12:100307.
[20]	上海市住房和城乡建设管理委员会.室外排水设计标准:GB 50014—2021[S].北京:中国计划出版社,2021.
[21]	郭芝瑞,崔建国,张峰,等.基于Infoworks ICM的城市排水调蓄池位置选择[J].给水排水,2016,52(2):49-52.