吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (03): 640-645.doi: 10.7964/jdxbgxb201303014

• 论文 • 上一篇    下一篇

公路三维动态视距计算方法及评价技术

廖军洪1,2, 邵春福1, 邬洪波2, 孙轶轩1, 王书灵1   

  1. 1. 北京交通大学 城市交通复杂系统理论与技术教育部重点实验室,北京 100044;
    2. 交通运输部公路科学研究院 公路交通安全工程研究中心,北京 100088
  • 收稿日期:2012-03-21 出版日期:2013-05-01 发布日期:2013-05-01
  • 通讯作者: 邵春福(1957-),男,教授,博士生导师.研究方向:城市交通规划与管理.E-mail:cfshao@bjtu.edu.cn E-mail:cfshao@bjtu.edu.cn
  • 作者简介:廖军洪(1980-),男,助理研究员,博士研究生.研究方向:道路交通安全,交通安全评价. E-mail:ynwpl@126.com
  • 基金资助:

    高等学校博士学科点专项科研基金项目(20090009110011);国家科技支撑计划项目(2009BAG13A02).

Calculation and assessment technique of highway 3D dynamic sight distance

LIAO Jun-hong1,2, SHAO Chun-fu1, WU Hong-bo2, SUN Yi-xuan1, WANG Shu-ling1   

  1. 1. MOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University, Beijing 100044, China;
    2. Road Safety Research Center, Research Institute of Highway Ministry of Transport, Beijing 100088, China
  • Received:2012-03-21 Online:2013-05-01 Published:2013-05-01

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摘要： 提出了利用三维动态视距表征公路有效视距的思路和方法.该方法以平纵线形数据为数据源,利用三次B样条曲线拟合公路线形.综合考虑平纵线形组合、驾驶员动态视野和车前灯照射范围等因素,以驾驶员视点和视距验算点的连线与视线中心线间的夹角与驾驶员在该方向上最大动态视角的关系作为约束条件,采用空间几何向量关系进行计算.同时还提出了三维动态视距评价标准,以辨识视距不良路段,分析视距受限的原因.最后通过一个实际案例对本文方法的计算结果进行了验证,结果表明:该方法易于获取数据源,便于推广使用,为路线安全设计提供了技术支撑.

关键词: 交通运输系统工程, 交通安全, 三维动态视距, 安全设计, 安全评价

Abstract: A method of using Highway 3D Dynamic Sight Distance (H3DSD) to represent the available sight distance was proposed. The geometric data was used as the main data source for H3DSD calculation. The data was used to fit the highway alignment with cubic B-spline curves. Considering the influencing factors of combination of horizontal and vertical alignment, the driver's dynamic visual field, and the illumination angle of the vehicle head lamps, the H3DSD of each point along the centerline roadway could be calculated with spatial geometry. The most important constraint during the calculation was the relationship between the computed angle composed by the line from the position of driver's eyes to the sight distance checking point and the centerline of the driver's visual field, and the driver's maximum dynamic visual angle. Moreover, the criterion of H3DSD was proposed in order to identify the segments with poor sight distance. Also the main factors restricting sight distance were analyzed. A case study was carried out and the results show that the proposed method has the advantages of easy to get the source data and good prospect of application. It can provide significant technique support to highway safety design.

Key words: engineering of communications and transportation, traffic safety, highway 3D dynamic sight distance (H3DSD), safety design, safety assessment

中图分类号: 

  • U491
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