2023.No.3收稿日期:2022—10—18作者简介:步佳李(1998—),男,本科在读,主要学习和研究方向是水利水电工程。通讯作者:易旻旻(2000—),女,本科在读,主要学习和研究方向是水利水电工程。摘要:目前国内外对于海绵城市的研究多基于地面局部蓄水及地下管网建设,对于雨水的利用简单粗犷,该措施对中小洪涝具有一定的控制作用,但当城市遭遇暴雨或极端降雨事件时仍存在内涝灾害风险。本系统引入水资源规划理论,将海绵城市雨水控制空间上升至城市主体——建筑物,利用建筑物楼顶花园的空间调整,实现空中雨水拦截,并研发针对梅雨—伏旱季节的建筑通风干燥新型装置,通过与现有雨水收集体系结合,构建3级雨水调蓄利用方案,实现通过系统蓄放水推迟暴雨事件下城市地面水量峰值来临期、减轻地下管网压力和内涝风险的目标。关键词:雨水收集利用;海绵城市;水资源规划及利用;节水灌溉中图分类号:TV212.5文献标识码:A文章编号:1004-7328(2023)03-0057-04DOI:10.3969/j.issn.1004-7328.2023.03.016海绵城市中单体建筑全年雨水收集利用系统研究步佳李,易旻旻(河海大学水利水电学院,江苏南京210024)AnnualRainwaterCollectionandUtilizationSystemforSingleBuildingsinSpongeCityBUJia-li,YIMin-min(SchoolofWaterResourcesandHydropower,HohaiUniversity,Nanjing210024,China)Abstract:Atpresent,researchesonspongecitiesathomeandabroadaremostlybasedonlocalgroundwaterstorageandundergroundpipenetworkconstruction,whichissimpleandroughfortheutilizationofrainwater.Thismeasurehasacertaincontroleffectonsmallandmedium-sizedfloods.However,whencitiesencounterrainstormorextremerainfallevents,thereisstilltheriskofwaterloggingdisaster.Thissystemintroduceswaterresourcesplanningtheory,andraisestherainwatercontrolspaceofspongecitytothemainbodyofthecity—thebuilding.Itusesthespaceadjustmentoftheroofgardenofthebuildingtorealizetherainwaterinterceptionintheair.Moreover,itdevelopsanewventilationanddryingdeviceforthebuildingaimingattherainyseasonanddryseason,soastorealizetheutilizationofuntreatedrainwater.Thethree-levelrainwaterregulation,storageandutilizationschemeisconstructedtorealizethegoalofdelayingthepeakofurbansurfacewatervolumeunderrainstormeventsand...