基于暴雨洪水管理模型的透水铺装结构对城市雨洪的影响模拟研究
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摘要
透水铺装属于低影响开发(LID)措施,可降低城市地表径流系数和洪峰流量。文中选取南京某双向六车道城市道路为研究对象,建立暴雨洪水管理模型SWMM(storm water management model),模拟分析排水型、半透型、全透型铺装结构方案对地表径流和洪峰流量的影响,考察不同透水铺装结构对降低城市雨洪风险的贡献。研究结果表明,排水型路面可减少一部分地表径流,但不能够起到削减和滞后洪峰的作用;半透型路面能够起到消减地表径流、减少洪峰流量和滞后峰现时刻的作用;全透型路面在削减径流系数和洪峰流量上有更好的效果,可有效减少城市排水压力,降低雨洪风险。
Permeable pavement is a part of low impact development(LID)measurement,which can decrease urban surface runoff coefficient and flood peak flow.In this paper,a dual3-lanesurban road in Nanjing is selected as the study object,and storm water management model(SWMM)is used to simulate the effect of different pavement structures,i.e.the drainage pavement,semi-permeable pavement and fully-permeable pavement,under different rainfall conditions on reducing surface runoff and controlling urban storm water.The simulation results show that the drainage pavement can reduce part of surface runoff,but it has no influence on the reduction and hysteresis of flood peak.The semi-permeable pavement can reduce part of surface runoff and flood peak and can lag peak time.The fully-permeable pavement has better effect on reduce runoff coefficient and flood peck,which can effectively reduce the pressure of urban drainage and reduce the risk of stormwater.
Permeable pavement is a part of low impact development(LID)measurement,which can decrease urban surface runoff coefficient and flood peak flow.In this paper,a dual3-lanesurban road in Nanjing is selected as the study object,and storm water management model(SWMM)is used to simulate the effect of different pavement structures,i.e.the drainage pavement,semi-permeable pavement and fully-permeable pavement,under different rainfall conditions on reducing surface runoff and controlling urban storm water.The simulation results show that the drainage pavement can reduce part of surface runoff,but it has no influence on the reduction and hysteresis of flood peak.The semi-permeable pavement can reduce part of surface runoff and flood peak and can lag peak time.The fully-permeable pavement has better effect on reduce runoff coefficient and flood peck,which can effectively reduce the pressure of urban drainage and reduce the risk of stormwater.
引文
[1]张大伟,赵冬泉,陈吉宁.城市暴雨径流控制技术综述与应用探讨[J].给水排水,2009,(35):25-29.
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[9]Tsihrintzis V A,Hamid R.Runoff quality prediction from small urban catchments using SWMM[J].Hydrological Processes,2015,12(2):311-329.
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[12]Temprano J,óArango,Cagiao J,et al.Stormwater quality calibration by SWMM:A case study in Northern Spain[J].Water S A,2006,32(1):55-63.
[13]芮孝芳,蒋成煜,陈清锦.SWMM模型模拟雨洪原理剖析及应用建议[J].水利水电科技进展,2015,35(4):1-5.
[14]Rossman L A.Storm water management model user,s manual,version5.0[M].Cincinnati:National Risk Management Research Laboratory,2010.
[15]谢丽华,张永丽,温勇.成都市某区暴雨径流过程模拟分析[J].资源开发与市场,2010,26(5):420-422.
[2]张超,丁志斌.基于暴雨洪水管理模型的下凹绿地和透水路面模拟研究[J].水资源与水工程学报,2014,(5):185-189.
[3]晋存田,赵树旗,闫肖丽,等.透水砖和下凹式绿地对城市雨洪的影响[J].中国给水排水,2010,(1):40-42,46.
[4]徐振辞,郭永辰.城市不同下垫面条件的降雨径流模拟试验研究[J].南水北调与水利科技,2007,(1):64-66.
[5]周丰,彭小金,李玉来.下凹式绿地对城市雨水径流和汇流的影响[J].东北水利水电,2007,(10):10-11.
[6]蔡庆拟,陈志和,陈星,等.低影响开发措施的城市雨洪控制效果模拟[J].水资源保护,2017,(2):31-36.
[7]Guan M,Sillnpaa N,Koivusalo H.Assessment of LID practices for restoring pre-development runoff regime in an urbanized catchment in southern Finland[J].Water Science&Technology,2015,71(10):1485-1491.
[8]Palla A,Gnecco I.Hydrologic modeling of low impact development systems at the urban catchment scale[J].Journal of Hydrology,2015,528:361-368.
[9]Tsihrintzis V A,Hamid R.Runoff quality prediction from small urban catchments using SWMM[J].Hydrological Processes,2015,12(2):311-329.
[10]Park J,Yoo Y,Park Y,et al.Analysis of Runoff Reduction with LID Adoption using the SWMM[M].2008:805-815.
[11]Do-Hyson P,Young-Hwan L,Jin-Kyu C,et al.Study on the Runoff Characteristics of Non-point Source Pollution in Municipal Area Using SWMMModel-A Case Study in Jeonju City[J].Journal of Korean Society for Geospatial Information System,2005,14(12).
[12]Temprano J,óArango,Cagiao J,et al.Stormwater quality calibration by SWMM:A case study in Northern Spain[J].Water S A,2006,32(1):55-63.
[13]芮孝芳,蒋成煜,陈清锦.SWMM模型模拟雨洪原理剖析及应用建议[J].水利水电科技进展,2015,35(4):1-5.
[14]Rossman L A.Storm water management model user,s manual,version5.0[M].Cincinnati:National Risk Management Research Laboratory,2010.
[15]谢丽华,张永丽,温勇.成都市某区暴雨径流过程模拟分析[J].资源开发与市场,2010,26(5):420-422.