屋顶绿化成本及节能效益实证分析
(华南理工大学,广东 广州 510640)
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摘要:既有屋顶适当绿化可增大城市绿化面积,也能起到室内隔热降温的作用,还具有改善城市空气质量、缓解热岛效应等功能。鉴于其绿化技术、维护成本、节能效益及经济效益方面存有争议,以广州为例,分析研究屋顶绿化的成本和效益,并指出其社会效益和环境效益显著,为大力推广提供依据。关键词:屋顶绿化;节能效益;成本效益;投资回收期Abstract:Green roof can increase the green area of the city,can also play an important role in indoor heat insulation and cooling,as well as improve quality of the city air and reduce the greenhouse effect. But there is much debate about greening technology,the cost of maintenance and energy saving and economic benefits at present. This paper selects Guangzhou as an example,using the method of energy saving-benefit analysis and cost-benefit analysis to analyze the cost and benefits for roof greening. The results show that the social benefits and environmental benefits of roof greening is significant,and as a result it’s worth promoting.Keywords:roof greening;energy-saving benefit;cost effectiveness;payback period参考文献[1] 张琛麟,田明华,赵蔓卓.北京市屋顶绿化建设项目成本效益分析[J].中国城市林业,2009(7):61-63.[2] 牛皓,周集体,Adriaens P.华盛顿绿色屋顶环境效益的经济评价[J].建筑经济,2010(12):87-90.[3] 宋国防,贾湖.工程经济学[M].天津:天津大学出版社,2000.[4] 王睿,王树进.浅论建设项目基准收益率的确定——CAPM的角度[J].农业开发与装备,2008(5):6-9.[5] 肖毅,董文艺,等.中水回收系统及兼氧MBR技术在深圳国际低碳城中的应用[J].建筑经济,2014(2):67-69.[6] 蔡向荣,王敏权,傅柏权.住宅建筑的碳排放量分析与节能减排措施[J].防灾减灾工程学报ISTIC,2010(30):428-431.[7] 发改委,建设部.建设项目经济评价方法与参数[M].北京:中国计划出版社,2006.建筑经济,2015(09):109-111