Design Method for Rainwater Utilization in Residential Areas of Hefei City

XU Deqian; WANG Weiwei; YU Yusu

doi:10.13961/j.cnki.stbctb.2016.05.043

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Design Method for Rainwater Utilization in Residential Areas of Hefei City

- Design Method for Rainwater Utilization in Residential Areas of Hefei City
- Bulletin of Soiland Water Conservation Vol. 36, Issue 5, Pages: 225-230(2016)
- 作者机构：
  
  合肥工业大学土木与水利工程学院,安徽,合肥,230009
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.05.043
  CLC：
- Published：2016
- 稿件说明：
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XU Deqian, WANG Weiwei, YU Yusu. Design Method for Rainwater Utilization in Residential Areas of Hefei City[J]. Bulletin of Soiland Water Conservation, 2016, 36(5): 225-230.
DOI：

XU Deqian, WANG Weiwei, YU Yusu. Design Method for Rainwater Utilization in Residential Areas of Hefei City[J]. Bulletin of Soiland Water Conservation, 2016, 36(5): 225-230. DOI： 10.13961/j.cnki.stbctb.2016.05.043.

摘要

[目的

]

探讨建筑小区雨水利用设计方法，为建筑小区雨水利用设计提供理论参考。[方法

]

以安徽省合肥市滨湖假日F-3居住小区为例，根据小区雨水设计目标，计算小区所需雨水利用强度；结合小区具体条件、各种雨水利用设施雨水利用强度与基本规模、成本与效益，确定小区雨水利用设施组成。[结果

]

提出了小区雨水利用设计方法，解决了雨水利用设计中规模与组成这2个关键问题。滨湖假日F-3居住小区雨水利用设施：景观水体1 742.1 m

，储水池1 500 m

，下凹式绿地12 200.5 m

，透水铺装10 672 m

，能满足雨水径流总量控制率为85%，重现期2 a对外排流量径流系数的要求。[结论

]

建筑小区雨水利用设计应以外排径流系数为主要目标，结合小区具体条件，兼顾雨水利用的经济、环境与社会效益，并满足相关规定，合理确定雨水利用设施规模及构成。

Abstract

[Objective] The aim of this study is to explore the design method of rainwater utilization in districts

in order to provide the theoretical references for rainwater utilization design in residential areas.[Methods] Taking F-3 Garden of Binhu Holiday Community in Hefei City

Anhui Province as the case

according to the design concept

the utilization intensity of rainwater for residential areas was calculated. With the consideration of actual conditions

the utilization intensity

scale

the costs and benefits of different rainwater utilization facilities

the composition of rainwater utilization facilities was determined.[Results] The method for rainwater utilization in residential areas was proposed

which resolved two key problems including scale and composition in rainwater utilization design. The rainwater utilization of Binhu Holiday F-3 Garden included water landscape(1742.1 m3)

reservoir(1 500 m3)

concave greenbelt(12 200.5 m2) and permeable pavement(10 672 m2)

which met the requirements of a 85% runoff controlling and a return period of 2 a.[Conclusion] The discharge runoff coefficient should be the major target for the design of rainwater utilization residential areas. Taking the specific condition of each district

the economic

environmental and social benefits

and related regulations into consideration

the scale and composition should be determined rationally.

关键词

Keywords

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