| 道路表面水膜厚度理论计算模型分析 |
| |
| 引用本文： | 陈锋平.道路表面水膜厚度理论计算模型分析[J].现代交通技术,2014(3):12-15. |
| |
| 作者姓名： | 陈锋平 |
| |
| 作者单位： | 江宁交通建设集团有限公司 |
| |
| 摘 要： | 汽车在雨天行驶时,摩擦系数的降低与路表水膜厚度有关,水膜厚度越厚,抗滑性能降低得越多,甚至发生滑水现象.文章建立了基于坡面径流理论的路表水膜厚度的理论模型,推导出基本微分方程,并与英国的经验公式进行对比,能够反映出各因素对水膜厚度的影响.
|
| 关 键 词： | 道路工程 水膜厚度 摩擦系数 抗滑性能 |
Study on the Theoretical Calculation Model of Rain Water Depth on Road Surface |
| |
| Chen Fengping.Study on the Theoretical Calculation Model of Rain Water Depth on Road Surface[J].Modern Transportation Technology,2014(3):12-15. |
| |
| Authors: | Chen Fengping |
| |
| Institution: | Chen Fengping ( Jiangning Transport Construction Group, Nanjing 211101, China ) |
| |
| Abstract: | While automobile traveling on roads covered with water film, the attachment coefficient will decrease. This decrease is related to the depth of water film： the thicker the water film is, the more reduction of attachment coefficient is, and possibly hydroplaning will happen. Based on the principle of road surface runoff, this paper established theoretical model of water film thickness, deduced the basic differential equation. Compared with the empirical formula introduced from John Anderson, the basic differential equation reflects the relationship between the water film thickness and its influence factors. |
| |
| Keywords: | highway engineering rain water depth friction coefficient anti-slide performance |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《现代交通技术》浏览原始摘要信息 |
| 点击此处可从《现代交通技术》下载免费的PDF全文 |
|
