54IndustrialConstructionVol.53,No.4,2023工业建筑2023年第53卷第4期建筑外环境经济型低影响开发设计模式研究———以南阳一中校园为例陈泓宇1董宇翔2李雄1刘志成1林辰松1(1.北京林业大学园林学院,北京100083;2.同济大学建筑与城市规划学院,上海200092)摘要:建筑外环境低影响开发(LID)是实现城市高效径流控制与雨水资源利用的重要途径,但目前在LID设施布局时存在设施规模过大、径流利用效率低等建设浪费问题。基于建筑外环境径流特点,依据不同LID设施功能特征,耦合了SWMM模型与NSGA-II算法,构建兼顾径流控制、雨水资源利用率及LID设施成本的建筑外环境经济型低影响开发设计模式,以南阳一中校园为试验对象,运用该设计模式,获取其LID设施优化布局方案,并以2021年降雨模拟验证其径流控制与节水效果。模拟结果表明,在2021年降雨情景中实验对象LID设施优化布局方案的年径流控制率达82.0%,年可节约用水成本5.19万元。研究结果细化了LID设施布局应用场景,弥补了传统低影响开发设计方法对雨水资源利用、LID设施成本量化的缺失,有助于优化LID设施建设投资,推进我国“海绵城市”的高绩效、高质量建设。关键词:低影响开发;节约型园林;风景园林;建筑外环境DOI:10.13204/j.gyjzG22010419ResearchonEconomicalDesignPatternofLowImpactDevelopmentinExternalEnvironmentofBuilding:ACaseStudyofNanyangNo.1HighSchoolCHENHongyu1DONGYuxiang2LIXiong1LIUZhicheng1LINChensong1(1.SchoolofLandscapeArchitecture,BeijingForestryUniversity,Beijing100083,China;2.CollegeofArchitectureandUrbanPlanning,TongjiUniversity,Shanghai200092,China)Abstract:Low-impactdevelopment(LID)intheexternalenvironmentofbuildingsisanimportantwaytoachieveefficienturbanrunoffcontrolandrainwaterresourceutilization,however,therearesomeproblemsinthedistributionofLIDcontrols,suchasexcessivefacilityscaleandlowrunoffutilizationefficiency,whichcauseconstructionwaste.BasedontherunoffcharacteristicsoftheexternalenvironmentofthebuildingandthefunctionalguidancecharacteristicsofdifferentLIDcontrols,aneconomicaldesignpatternoflow-impactdevelopmentinexternalenvironmentofbuildingwasformedwithSWMMmodelandNSGA-IIalgorithm,whichtookintoaccountrunoffcontrol,rainwaterresourceutilizationandcostofLIDcontrols.TakingthecampusofNanyangNo.1Hi...
