-
摘要: 以云南小磨路K109+600~K122+024路段上的隧道群、陡坡与混行路段为试验样本路段, 应用虚拟视景生成系统建立了路段三维静态与动态模型。在隧道内设置倒伏示警柱、视觉标线与常规标线3种中央隔离设施, 在爬坡路段与混行路段上均设置附加车道, 对比分析了3种路段上的平均车速与车辆平均横向位置, 并评价了3种安全保障措施的效果。分析结果表明: 在隧道内, 3种中央隔离设施下的平均车速标准差分别为9.74、10.01、10.40 km·h-1, 车辆平均横向位置标准差分别为0.54、0.70、0.69 m, 说明设置倒伏示警柱后, 车辆保持较好车速和横向位置; 在爬坡路段上, 当交通流量不超过1 000 pcu·h-1时, 设置附加车道有利于主线路车辆车速的提高; 在混行路段上, 当非机动车流量分别为500、800 pcu·h-1时, 设置附加车道后, 车速增大, 车速标准差减小, 车辆横向位置变大, 说明设置附加车道有利于提高和稳定车速, 并可减少与对向车辆的冲突。Abstract: The tunnel group, climbing section and mixed traffic section of Yunnan Xiaomo Highway from K109+600 to K122+024 were selected as experiment sample sections, and their static and dynamic 3D models were established by using virtual scene generation system.Central isolation installations such as lodging warning column, visual marking, conventional marking were placed in tunnel, and additional lane was set at climbing section and mixed section.The average speeds and lateral positions of vehicles at three sample sections were comparatively analyzed, and the effects of three safety safeguard measures were evaluated.Analysis result indicates that in tunnel, the average speed standard deviations for three central isolation installations are 9.74, 10.01, 10.40 km·h-1 respectivehy, and the average lateral position standard deviations are 0.54, 0.70, 0.69 m respectivehy.It can be seen that by setting lodging warning column, the speed and lateral position of vehicle can keep well.When traffic volume is less than 1 000 pcu·h-1 at climbing section, it is beneficial to improve vehicle speed on main line by setting additional lane.When non-motor vehicle volumes are 500 and 800 pcu·h-1 at mixed traffic section, there are higher speed, smaller speed deviation and bigger lateral position after setting additional lane.Setting additional lane is beneficial to improve and maintain vehicle speed, and reduce conflicts to opposed vehicle.
-
Key words:
- traffic safety /
- montane highway /
- driving simulation /
- virtual scene /
- isolation installation /
- additional lane
-
[1] 方平. 公路安全保障工程效果评价体系研究[J]. 市政技术, 2009, 27(4): 415-418. doi: 10.3969/j.issn.1009-7767.2009.04.029FANG Ping. Study on effect evaluation system of highway safety enhancement project[J]. Municipal Engineering Technology, 2009, 27(4): 415-418. (in Chinese) doi: 10.3969/j.issn.1009-7767.2009.04.029 [2] 刘耀辉, 陈红. 平原区低等级公路安全保障研究[J]. 中外公路, 2009, 29(6): 20-23. https://www.cnki.com.cn/Article/CJFDTOTAL-GWGL200906005.htmLIU Yao-hui, CHEN Hong. Research on safety ensuring of low-grade roads in plain area[J]. Journal of China and Foreign Highway, 2009, 29(6): 20-23. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-GWGL200906005.htm [3] 吴华金. 横断山区高速公路运营安全保障模式及其实现研究[D]. 西安: 长安大学, 2009.WU Hua-jin. Design and implementation of operating safety ensuring model in Hengduan mountainous express way[D]. Xi an: Changan University, 2009. (in Chinese) [4] 安雅琴, 何松柏, 杨建明. 基于属性识别理论的高速公路交通安全保障评价[J]. 河北工业大学学报, 2010, 39(1): 116-118. doi: 10.3969/j.issn.1007-2373.2010.01.027AN Ya-qin, HE Song-bai, YANG Jian-ming. Assessment of highway traffic safety guarantee based on attribute recognition theory[J]. Journal of Hebei University of Technology, 2010, 39(1): 116-118. (in Chinese) doi: 10.3969/j.issn.1007-2373.2010.01.027 [5] PREZ I. Safety impact of engineering treatments on undividedrural roads[J]. Accident Analysis and Prevention, 2006, 38(1): 192-200. doi: 10.1016/j.aap.2005.09.008 [6] GODLEY S T. A driving simulator investigation of perceptual countermeasures to speeding[D]. Melbourne: Monash University, 1999. [7] LAURIE N E, ZHANG Shu-ping, MUNDOLI R, et al. An evaluation of alternative do not enter signs: failures of attention[J]. Transportation Research Part F: Traffic Psychology and Behaviour, 2004, 7(3): 151-166. doi: 10.1016/S1369-8478(04)00031-2 [8] HORBERRY T, ANDERSONJ, REGAN M A. The possible safety benefits of enhanced road markings: a driving simulator evaluation[J]. Transportation Research Part F: Traffic Psychology and Behaviour, 2006, 9(1): 77-87. doi: 10.1016/j.trf.2005.09.002 [9] 初秀民, 严新平, 章先阵, 等. 公路交通标志标线视认性虚拟测试系统设计[J]. 武汉理工大学学报: 信息与管理工程版, 2005, 27(4): 135-138. https://www.cnki.com.cn/Article/CJFDTOTAL-WHQC200504034.htmCHU Xiu-min, YAN Xin-ping, ZHANG Xian-zhen, et al. Design of a virtual testing system for the visibility of roadsigns and markings[J]. Journal of Wuhan University of Technology: Information and Management Engineering, 2005, 27(4): 135-138. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-WHQC200504034.htm [10] 赵希, 严新平, 吴超仲. 车辆驾驶模拟器公路场景中的交通标示设计[J]. 武汉理工大学学报: 交通科学与工程版, 2008, 31(3): 552-555. https://www.cnki.com.cn/Article/CJFDTOTAL-JTKJ200703046.htmZHAO Xi, YAN Xin-ping, WU Chao-zhong. Design of roadsigns in vehicle driving simulator[J]. Journal of Wuhan University of Technology: Transportation Science and Engineering, 2008, 31(3): 552-555. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-JTKJ200703046.htm [11] 郭凤香, 熊坚, 秦雅琴, 等. 基于驾驶模拟实验的85%位车速预测模型[J]. 交通科技与经济, 2010, 12(3): 104-107. https://www.cnki.com.cn/Article/CJFDTOTAL-KJJJ201003032.htmGUO Feng-xiang, XIONG Jian, QIN Ya-qin, et al. Establishment of the 85th percentile speed forecasting model basedon driving simulation experiment[J]. Technology and Economy in Areas of Communications, 2010, 12(3): 104-107. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-KJJJ201003032.htm [12] XIONG Jian, WAN Hua-sen, GUO Feng-xiang. Freeway design consistency evaluation: a case study on driving simulator[C]∥RONG Jian, ZHONG Lian-de. Road User Behaviour with a Special Focus on Vulnerable Road Users Technical, Socialand Psychological Aspects. Beijing: ICTCT, 2007: 231-242. [13] 秦雅琴, 熊坚, 高晶, 等. 驾驶模拟器动态交通流仿真与VISSI M系统数据接口研究[J]. 昆明理工大学学报: 理工版, 2007, 32(1): 77-79. https://www.cnki.com.cn/Article/CJFDTOTAL-SYSY202104062.htmQIN Ya-qin, XIONG Jian, GAO Jing, et al. Research on data interface for software VISSI M and the dynamic traffic flow simulation module of driving simulator[J]. Journal of Kunming University of Science and Technology: Science and Technology, 2007, 32(1): 77-79. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-SYSY202104062.htm [14] FITZPATRICK K, WOOLDRIDGE MD, TSI MHONI O, et al. Alternative design consistency rating methods for two-lane rural highways[R]. Washington DC: Federal Highway Administration, 2000. [15] GARBER NJ, GADIRAJU R. Factors affecting speed variance and its influence on accidents[J]. Transportation Research Record, 1989(1213): 64-71. -
下载:
点击查看大图
图(8) / 表(6)
计量
- 文章访问数: 691
- HTML全文浏览量: 148
- PDF下载量: 348
- 被引次数: 0
