山区高速公路隧道群交通安全分析方法

张生瑞; 李耘; 赵友功

doi:10.19818/j.cnki.1671-1637.2011.06.015

山区高速公路隧道群交通安全分析方法

doi: 10.19818/j.cnki.1671-1637.2011.06.015

1.
长安大学公路学院，陕西西安 710064
2.
青岛市市政工程设计研究院有限责任公司，山东青岛 266071

基金项目:

国家自然科学基金项目 50878026

详细信息

作者简介:
张生瑞(1963-), 男, 陕西佳县人, 长安大学教授, 工学博士, 从事交通流理论和交通安全研究

中图分类号: U491.21
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- 被引次数: 0
出版历程
- 收稿日期: 2011-07-09
- 刊出日期: 2011-12-25

Analysis method for traffic safety of mountainous freeway tunnel groups

1.
School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China
2.
Qingdao Municipal Engineering Design and Research Institute Co., Ltd., Qingdao 266071, Shandong, China

More Information

Author Bio:
ZHANG Sheng-rui (1963-), male, professor, PhD, +86-29-82334255, zhangsr@chd.edu.cn

摘要

摘要: 以某典型山区高速公路隧道群为研究对象, 采用雷达测速仪和Metro Count 5600, 分别在隧道群不同位置采集车辆速度, 建立了车辆运行速度与采集点位置的函数关系, 分析了隧道群路段不同位置运行速度的变化规律。计算了各地点的加速度干扰, 以加速度相对于位置的变化率表示路段的危险程度, 分析了隧道群路段不同位置的危险程度。研究结果表明: 在隧道入口段和隧道之间的连接段处, 上行方向小型车和大型车危险性系数平均值分别为11.72和5.77, 下行方向分别为19.71和8.53, 危险性相对较高; 其他采集点的危险性系数接近0, 危险性相对较低; 小型车的危险性系数远高于大型车。
- 交通安全 /
- 高速公路隧道群 /
- 车辆速度 /
- 加速度干扰 /
- 危险性系数
Abstract: Vehicle speeds at different locations of a typical mountainous freeway tunnel group were analyzed by using police traffic radar and Metro Count 5600, the relationship function between the speeds and the locations was established, the change laws of the speeds were studied, and the risk levels at different locations was analyzed by computing the change rates of accelerations.Analysis result shows that at the entrances and the connection sections, the risk coefficient averages of cars and trucks in upward direction are 11.72 and 5.77 respectively.In downward direction, the averages are 19.71 and 8.53 respectively, so the risk levels are relatively higher.At other locations, the risk coefficients approximately equal to zero, so the risk levels are lower.In addition, the risk coefficients of cars are much higher than those of trucks.
- traffic safety /
- freeway tunnel group /
- vehicle speed /
- acceleration disturbance /
- risk coefficient

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图 1 上行方向数据采集点

Figure 1. Data collection points in upward direction

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图 2 下行方向数据采集点

Figure 2. Data collection points in downward direction

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图 3 采集点2的速度-距离曲线(上行)

Figure 3. Speed-distance curves at location 2 (upward)

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图 4 采集点9的速度-距离曲线(下行)

Figure 4. Speed-distance curves at location 9 (downward)

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表 1 车型分类

Table 1. Vehicle classification

车型	范围
小型车	微型车(包括微型面包车)、小型客车、小型货车、轻型货车(SV)、中型货车(TB2、TB3)等
大型车	大型货车(T4、ART3、ART4、ART5、ART6)、集装箱运输车、拖挂车(BD、DRT)等

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表 2 上行方向平均速度

Table 2. Average speeds in upward direction

数据采集点	小型车平均速度/(km·h^-1)	大型车平均速度/(km·h^-1)	采集点之间相对距离/km
1	94.78	65.35	0.00
2	80.12	53.34	0.10
3	85.47	57.46	0.33
4	86.36	57.96	0.43
5	78.54	51.79	0.53
6	80.01	52.69	0.58
7	84.74	56.12	3.58
8	87.50	58.69	6.58
9	89.69	60.64	6.63
10	91.12	62.43	6.73

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表 3 下行方向平均速度

Table 3. Average speeds in downward direction

数据采集点	小型车平均速度/(km·h^-1)	大型车平均速度/(km·h^-1)	采集点之间相对距离/km
10	94.63	64.52	0.00
9	91.12	60.34	0.10
8	93.65	61.17	0.15
7	95.74	62.25	3.17
6	96.87	64.04	6.19
5	97.88	65.86	6.24
4	100.71	62.34	6.34
3	93.41	60.65	6.44
2	97.36	63.57	6.68
1	99.80	65.41	6.78

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表 4 上行方向速度-距离拟合参数

Table 4. Fitting parameters between speeds and distances in upward direction

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表 5 下行方向速度-距离拟合参数

Table 5. Fitting parameters between speeds and distances in downward direction

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表 6 上行方向危险性系数公式参数

Table 6. Parameters of risk coefficient formulae in upward direction

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表 7 下行方向危险性系数公式参数

Table 7. Parameters of risk coefficient formulae in downward direction

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表 8 上行方向的危险性系数

Table 8. Risk coefficients in upward direction

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表 9 下行方向的危险性系数

Table 9. Risk coefficients in downward direction

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参考文献(13)

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