合肥市居住区雨水利用模式选择

Mode Selection of Rainwater Utilization in Residential Districts of Hefei City

结合合肥市雨水利用的客观条件,从成本、节水效益、环境效益和社会效益等方面对合肥市居住区不同雨水利用模式进行详细的比较分析,并采用AHP层次分析法,构建雨水利用优选模式的层次结构模型,将定性分析转化为定量分析,并对三种模式进行综合比选,避免传统一一列表评价方法的缺点。

Combing with objective conditions of rainwater utilization of Hefei City,the article makes a detailed comparative analysis of different modes of rainwater utiliza-tion in residential districts of Hefei City in terms of cost,water saving benefits,environ-mental benefits,and social benefits etc.,builds the hierarchy structure model of optimiza-tion mode of rainwater utilization by AHP,which transforms qualitative analysis into quantitative analysis,and makes a comprehensive comparison and selection among three modes,thus avoiding shortcomings of traditional method of one-to-one tabulation.