城市沥青道路路面产流规律分析研究  

Study on the Rule of Runoff Generation on Bitumen Road Surface of City

作　　者：王书吉[1] 姚兰[1] 任晓力[1] 郭凤台[1] 

机构地区：[1]河北工程大学

出　　处：《节水灌溉》2007年第5期51-53,共3页Water Saving Irrigation

基　　金：国家高技术研究发展计划("863"计划)(2002AA2Z4281-07)

摘　　要：在降雨时进行的现场实测中,采用虹吸式自记雨量计记录次降雨的降雨开始时间及停止时间、次降雨各时段的降雨量并由此计算出累计降雨量,由试验者目测产流开始时间及停止时间,用体积法实测降雨过程中各时段产流量并结合降雨量观测数据推算出产流过程损失量,结合上述数据进行分析计算城市沥青道路路面降雨量与产流量的关系、产流时间与产流前平均雨强的关系,初步得出了沥青道路路面的产流规律。针对在降雨过程中降雨损失强度变化的这一特点采用了极值法来计算径流系数Ψ,对影响道路产流的因素进行了初步分析总结。In the spot measuring experiment, the starting time and ending time of rainfall, the quantity of rainfall in each period, from which the total quantity of rainfall was calculated, were recorded by using siphon recording raingauge. The starting time and ending time of runoff generation were observed through eye survey. The quantity of runoff generation in each period was measured through volumetric method. The loss quantity was calculated by combining the quantity of rainfall and runoff. Based on the measuring data, through analyzing the relation between the quantity of rainfall and runoff, the relation between the time of runoff generation and the intensity of rainfall before runoff generation, the preliminary rule of runoff generation on bitumen road surface was set up in this paper. According to the variation characteristic of the intensity of rainfall loss, the extremum method was adopted to calculate the run-off coefficientS. In the end, the influencing factors of runoff generation on road were analyzed and summarized.

关 键 词：次降雨 城市沥青道路路面 降雨量 产流量 平均雨强 路面产流规律 

分 类 号：TV214[水利工程—水文学及水资源] X24[环境科学与工程—环境科学]