高速公路直线路段突起路标间隔设置方法

梁国华; 姚广鹏; 李凯伦; 邓涵月; 梁康; 王雨晨

doi:10.19818/j.cnki.1671-1637.2015.03.012

高速公路直线路段突起路标间隔设置方法

doi: 10.19818/j.cnki.1671-1637.2015.03.012

长安大学公路学院，陕西西安 710064

基金项目:

国家自然科学基金项目 51208053

陕西省交通科技项目 14-32R

中央高校基本科研业务费专项资金项目 2014G1211011

中央高校基本科研业务费专项资金项目 310821153402

详细信息

作者简介:
梁国华（1977-），男，吉林珲春人，长安大学副教授，工学博士，从事道路交通规划研究

中图分类号: U491.51
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出版历程
- 收稿日期: 2015-01-09
- 刊出日期: 2015-06-20

Setting method of raised pavement marker interval at line section of freeway

School of Highway, Chang'an University, Xi'an710064, Shaanxi, China

More Information

Author Bio:
LIANG Guo-hua(1977-), male, associate professor, PhD, +86-29-82334856, lgh@chd.edu.cn

摘要

摘要: 基于驾驶人的视觉惰性、视觉警示频率和感觉特性, 分析了突起路标的视觉警示作用, 确定了突起路标的闪现频率, 计算与修正了突起路标的初始间隔。应用ADAMS/Car仿真软件模块, 建立了道路、车辆和突起路标模型, 将车型设置为大型车和小型车, 大型车的车速设置为60、80、100km·h^-1, 小型车的车速设置为80、100、120km·h^-1, 大型车和小型车的方向盘转角均设置为1°、3°、5°。分别对提出的12m间隔与现行规范推荐的15m间隔各进行243次仿真, 分析振动警示效果。仿真结果表明: 在12m间隔下, 平均碾压率为93.1%, 小型车和大型车对应的平均警示率分别为41.7%和5.6%;在15m间隔下, 平均碾压率为93.7%, 小型车和大型车对应的平均警示率分别为33.3%和28.9%;12、15m间隔对小型车都具有较好的振动警示效果, 15m间隔对大型车的振动警示效果更好。当高速公路夜间交通流较大或需要加大交通设施的夜间安全效果时, 可选12m间隔提供良好的视觉连续性和视觉警示效果; 考虑施工维护的方便性和经济性或者大型车比例较大时, 可选择15m间隔。
- 交通规划 /
- 高速公路 /
- 直线路段 /
- 突起路标 /
- 闪现频率 /
- 振动仿真
Abstract: Based on the driver's visual inertia, visual warning frequency and feeling feature, the visual warning effect of raised pavement marker was analyzed, the flash frequency of raised pavement marker was determined, and the initial interval of raised pavement marker was calculated and corrected. By using the simulation software module ADAMS/Car, the simulation models of road, vehicle and raised pavement marker were built, vehicle type was set as truck and car, the speed of truck was set as 60, 80, 100 km· h^-1 respectively, the speed of car was set as 80, 100, 120 km · h^-1 respectively, and the steering wheel angles of truck and car were set as 1°, 3°, 5° respectively. The simulation times were 243 for the calculated 12 m-interval and 15 m- interval recommended in the current specification respectively, and the warning effect was analyzed. Simulation result shows that under the 12 m-interval condition, the average crushing rate is 93.1%, and the average warning rates for ear and truck are 41.7% and 5.6% respectively. Under the 15 m-interval condition, the average crushing rate is 9a. 7%, and the average warning rates for car and truck are33.3% and 28. 9% respectively. Both two intervals have good vibration warning effect on cars, 15 m-interval has a better vibration warning effect on trucks than 12 m-interval. When there is a great traffic flow at night or the safe effect of traffic equipment need to be enhanced at night, 12 m-interval can be chosen to provide a good visual continuity and visual warning effect. When the convenience and economy of construction and maintenance are considered or there is a higher percentage of trucks in traffic flow, 15 m-interval can be chosen.
- traffic planning /
- freeway /
- line section /
- raised pavement marker /
- flash frequency /
- vibration simulation

HTML全文

图 1 视觉暂留过程

Figure 1. Visual persistence process

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图 2 视觉敏感系数

Figure 2. Visual sensitivity factor

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图 3 间隔与车速的关系

Figure 3. Relation between internal and vehicle speed

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图 4 仿真界面

Figure 4. Simulation interface

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图 5 仿真流程

Figure 5. Simulation flow

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图 6 况1的加速度

Figure 6. Acceleration under condition 1

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图 7 工况2的加速度

Figure 7. Acceleration under condition 2

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图 8 工况3的加速度

Figure 8. Acceleration under condition 3

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图 9 况4的加速度

Figure 9. Acceleration under condition 4

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图 10 工况5的加速度

Figure 10. Acceleration under condition 5

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图 11 工况6的加速度

Figure 11. Acceleration under condition 6

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图 12 工况7的加速度

Figure 12. Acceleration under condition 7

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图 13 工况8的加速度

Figure 13. Acceleration under condition 8

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图 14 工况9的加速度

Figure 14. Acceleration under condition 9

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表 1 车辆参数

Table 1. Vehicle parameters

表 2 记权均方根加速度与人的主观感受的关系

Table 2. Relation between human subjective feeling and weighted RMS acceleration

表 3 仿真结果

Table 3. Simulation result

参考文献(18)

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