下凹绿地与雨水花园在小区尺度应用中的对比
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摘要
为了探索下凹绿地和雨水花园在工程实践中的对比优选,详细介绍分析了下凹绿地和雨水花园这两种低影响开发设施。选取桐庐县某小区,通过构建SWMM模型,模拟基础组合、基础+下凹绿地、基础+雨水花园3种LID布设方案在1年一遇、2年一遇、5年一遇重现期暴雨时的出水口径流过程及各污染物负荷总量,并选用层次分析法评价了下凹绿地和雨水花园的综合效能。结果表明,下凹绿地和雨水花园对径流和水质均有一定的削减作用,且雨水花园作用效果更显著,层次分析评价出雨水花园综合效能更优。
In order to explore the comparative selection of sunken lawn and rain garden in the engineering practice,the two low-impact development facilities of sunken lawn and rain garden is analyzed in detail. A community in Tonglu County is selected to build SWMM model to simulate the runoff process and the total contamination load under LID basic combination,basis add sunken lawn and basis add rain garden in the case of the storm occurs every year,every two years and every five years. And the AHP method is used to evaluate the comprehensive performance of sunken lawn and rain garden. The results show that sunken lawn and rain garden have a certain effect on runoff and water quality,and the effect of rain garden is more significant. The AHP evaluation indicates that rain garden has better overall performance.
In order to explore the comparative selection of sunken lawn and rain garden in the engineering practice,the two low-impact development facilities of sunken lawn and rain garden is analyzed in detail. A community in Tonglu County is selected to build SWMM model to simulate the runoff process and the total contamination load under LID basic combination,basis add sunken lawn and basis add rain garden in the case of the storm occurs every year,every two years and every five years. And the AHP method is used to evaluate the comprehensive performance of sunken lawn and rain garden. The results show that sunken lawn and rain garden have a certain effect on runoff and water quality,and the effect of rain garden is more significant. The AHP evaluation indicates that rain garden has better overall performance.
引文
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[2]张路,卫芳芳.浅析基于生态理念的大学校园绿地设计[J].教育教学论坛,2012,(18):127-128.
[3]全新峰,张克峰,李秀芝.国内外城市雨水利用现状及趋势[J].能源与环境,2006,(1):19-21.
[4]唐双成,罗纨,贾忠华,等.西安市雨水花园蓄渗雨水径流的试验研究[J].水土保持学报,2012,(6):75-79,84.
[5]陈韬,李业伟,李研,等.基于SWMM的停车场LID技术评价研究[J].给水排水,2014,(5):155-160.
[6]栾慕,刘俊.LID设施在老城区内涝风险管理中的应用[J].中国农村水利水电,2017,(1):69-72,75.
[7]Choi K S,Ball J E.Parameter estimation for urban runoff modelling[J].Urban Water,2002,4(1):31-41.
[8]熊赟,李子富,胡爱兵,等.某低影响开发居住小区水量水质的SWMM模拟[J].中国给水排水,2015,(17):100-103.
[9]戚海军.低影响开发雨水管理措施的设计及效能模拟研究[D].北京:北京建筑大学,2013.
[10]户园凌.低影响开发雨水系统综合效益的分析研究[D].北京:北京建筑工程学院,2012.