不同线形条件下高速公路防眩板高度计算方法

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英文篇名：Calculation Method of Anti-glare Plate Height on Highway under Different Linear Conditions 作者：孙吉书 ; 路旭 ; 李鸿运 英文作者：SUN Ji-shu;LU Xu;LI Hong-yun;School of Civil and Transportation Engineering,Hebei University of Technology; 关键词：交通工程 ; 设置高度 ; 变量分析 ; 防眩板 ; 凹型竖曲线 英文关键词：traffic engineering;;setting height;;variable analysis;;anti-glare plate;;concave vertical curve 中文刊名：KXJS 英文刊名：Science Technology and Engineering 机构：河北工业大学土木与交通学院; 出版日期：2017-10-18 出版单位：科学技术与工程 年：2017 期：v.17;No.426 基金：天津市交委科技计划(2011-29)资助 语种：中文; 页：KXJS201729019 页数：6 CN：29 ISSN：11-4688/T 分类号：138-143

摘要

眩光是影响高速公路夜间行车交通安全的重要因素。为了对不同线形路段上的防眩板高度进行合理的设置,分析了不同线形条件与防眩板高度的关系。考虑路线线形、车道组合、中央分隔带宽度等参数,建立了平面线形和凹形竖曲线的防眩板高度计算模型,得出了不同竖曲线半经及坡度差条件下的防眩板高度变化范围。最后结合理论及数据,对实际工程进行了分析,计算出了不同线形路段上防眩板高度的实际需求。
        Glare is an important factor affecting the traffic safety of the expressway at night.In order to set the height of the anti-glare plate on different linear sections,the relationship between different linear conditions and height of anti-glare plate is analyzed.The parameters such as the line shape,the combination of lane and medial divider width are considered.The anti-glare plate height calculation models of plane linear curve and concave vertical curve are established,and the range of anti-glare plate height in the different linear conditions and the difference of slope is obtained.Finally,based on the theory and data,the actual project is analyzed.The actual demand of anti-glare plate height on different linear sections of expressway is calculated.

引文

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