【摘要】 北京奥林匹克公园中心区采用了规模化的雨水利用系统,如今已成为城市雨水利用工程的示范点。通过对近几年来北京奥运公园中心区内降水量和雨水利用量的分析研究,揭示了奥运场区内降雨具有雨量集中、强度集中和发生时间集中的特点;区内年平均收集雨水量1万3 210 m3以上,雨水年综合利用率达近84.8%;减少外排水量,建成了高标准的公园雨水利用系统。奥林匹克公园中心区集雨工程建设,实现了涵养地下水源和充分利用雨水的目的。更多还原

【Abstract】 Beijing Olympic Park central area has become the sample of urban storm water reclamation because of it’s enormous storm water reclamation system. Based on the analysis of rainfall and reclaimed rain water in Beijing Olympic central area in the past few years, it shows that rainfall, rain intensity and rain time in Olympic central area were intensive. In this area the yearly collected rainwater was more than 13 200 cubic meters, the rate of the comprehensive utilization of rainwater reached 84.8%. The result indicates that the utilization engineering of rainwater in Olympic central area has realize the purpose of groundwater conservation and utilizing rain water adequately.更多还原