透水混凝土路面对径流水量削减试验

发布时间：2018-03-22 19:07

本文选题：降雨历时　切入点：重现期　出处：《环境工程》2016年03期 　论文类型：期刊论文

【摘要】：透水混凝土路面作为低影响开发技术之一,对雨洪的管理与控制具有重要作用。对透水混凝土路面对径流的控制作用进行试验,结果表明:基于设计路面和北京降雨参数,降雨历时分别为30,60,120 min时,透水混凝土路面对径流总量的削减率分别达到60%、55%和40%以上,对洪峰流量的削减率分别达到65%、63%和40%以上;降雨重现期从1年增到100年,产流延迟时间从13 min降至5 min。试验表明,透水混凝土路面的雨量径流系数在0.18~0.54,远小于普通混凝土路面的雨量径流系数0.91。结果表明,透水混凝土路面对延迟产流时间、削减径流水量、削减洪峰流量以及降低径流系数具有很好的作用,可以为该低影响开发技术在国内的应用设计提供参考。
[Abstract]:As one of the low-impact development techniques, the permeable concrete pavement plays an important role in the management and control of rain and flood. The results show that, based on the design of pavement and rainfall parameters in Beijing, the effect of permeable concrete pavement on runoff control is tested. When the rainfall duration was 30 ~ 60120 min, the total runoff reduction rate of permeable concrete pavement reached more than 60% and 40% respectively, and the reduction rate of Hong Feng discharge reached 65% and 40%, respectively, and the rainfall recurrence period increased from 1 year to 100 years. The delay time of runoff is reduced from 13 min to 5 mins. The results show that the rainfall runoff coefficient of permeable concrete pavement is 0.18 ~ 0.54, which is much smaller than that of ordinary concrete pavement. Reducing runoff volume, reducing Hong Feng discharge and reducing runoff coefficient have a good effect, which can provide a reference for the application and design of this low-impact development technology in China.
【作者单位】：北京建筑大学城市雨水系统与水环境省部共建教育部重点实验室;北京市市政工程设计研究总院有限公司;
【基金】：国家水体污染控制与治理科技重大专项(2011ZX07301-004-01)
【分类号】：U416.2;X52

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