双向双车道施工区信号控制方法及仿真研究
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摘要
双向双车道施工封闭段易形成道路瓶颈,降低施工区通行能力。为保障施工区行车安全高效,增设信号控制,建立适用于双向交替通行的信号控制模型,借助Vissim软件建立仿真模型,运用控制变量法改变各仿真参数,通过对比分析得出施工段车速、到达交通量对道路运行情况的影响及规律。仿真结果表明,短距离和长距离养护,大车混入率分别在0.2和0.3左右对施工封闭段的交通流影响效应较大,且小于0.2和0.3时大车效应较为显著。
The construction area of the two-lane roads can form the road bottlenecks easily, leading to the capacity of the road reducing. Aiming to keep the vehicle passing the construction area safely and efficiently, we added the strategy of signal control in the construction area. We built a suitable signal control model for the construction area of the two-lane road. By using the simulation software of Vissim,we established the related simulation models. By using the control variable method to change the simulation parameters and by changing the arrival traffic and speed, we got the influences and rules to the transportation performance. When the road maintenance is in a short-distance and the mix rate of large vehicle is at about 0.2, it has larger influence in traffic flow to the construction area of the road and the state of traffic flow is instability; when the mix rate of large vehicle is less than 0.2, the cart effect is more significant.
The construction area of the two-lane roads can form the road bottlenecks easily, leading to the capacity of the road reducing. Aiming to keep the vehicle passing the construction area safely and efficiently, we added the strategy of signal control in the construction area. We built a suitable signal control model for the construction area of the two-lane road. By using the simulation software of Vissim,we established the related simulation models. By using the control variable method to change the simulation parameters and by changing the arrival traffic and speed, we got the influences and rules to the transportation performance. When the road maintenance is in a short-distance and the mix rate of large vehicle is at about 0.2, it has larger influence in traffic flow to the construction area of the road and the state of traffic flow is instability; when the mix rate of large vehicle is less than 0.2, the cart effect is more significant.
引文
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[2]Yang N,Chang G L,Kang K P.Simulation-Based Study on a Lane-Based Signal System for Merge Control at Freeway Work Zones[J].Journal of Transportation Engineering(S1671-1637),2009,135(1):9-17.
[3]Schonfeld P,Chien S.Optimal Work Zone Lengths for Two-Lane Highways[J].Journal of Transportation Engineering(S1671-1637),2014,125(1):21-29.
[4]Chen C H,Schonfeld P.Work Zone Optimization for Two-Lane Highway Maintenance Projects[J].Transportation Research Record Journal of the Transportation Research Board(S0361-1981),2004,1877(1):95-105.
[5]Jo Y,Choi H,Jeon S,et al.Variable speed limit to improve safety near traffic congestion on urban freeways[C]//International Conference on Information Science and Technology.IEEE,2012:43-50.
[6]陈国宏,祝敏方.路面翻修中的交通控制[J].华东公路,1991,2:45-48.Chen Guo-hong,Zhu Min-fang.Pavement overhaul of traffic control[J].East China Highway,1991,2:45-48.
[7]孟祥海,史永义,王浩,等.高速公路施工作业区车速分布特征及限速研究[J].交通运输系统工程与信息,2013,13(1):149-155.Meng Xiang-hai,Shi Yong-yi,Wang Hao,et al.Speed Distribution Characteristics and Speed Limits of Freeway Work Zones[J].Journal of Transportation Systems Engineering and Information Technology,2013,13(1):149-155.
[8]王玮.高速公路养护作业区交通组织方案优化关键技术研究[D].西安:长安大学,2014.Wang Wei.Study on Key Technologies in Expressway Maintenance Work-zone Traffic Organization Optimization[D].Xi’an:Chang’an University,2014.
[9]彭余华,王晓玉,吕纪娜,等.基于服务水平的高速公路养护作业工作区长度确定方法[J].中国公路学报,2016,29(5):130-136.Peng Yu-hua,Wang Xiao-yu,LüJi-na,et al.Length Determination Method for Expressway Maintenance Work-zone Based on Service Level[J].China Journal of Highway and Tansport,2016,29(5):130-136.
[10]吴立新,韩娟.高速公路施工封闭段信号汇入控制研究[J].公路交通科技,2011,28(3):143-147.Wu Li-xin,Han Juan.Study on Signal Merge Control at Freeway Work Zone[J].Journal of Highway and Transportation Research and Development,2011,28(3):143-147.
[11]孙文亮,刘振清,贺玉龙,等.基于Vissim的山区双车道公路养护作业封闭段长度研究[J].公路交通科技,2012,29(2):140-143.Sun Wen-liang,Liu Zhen-qing,He Yu-long,et al.Research On Length Of Blocked Road Section for Maintenance Of Two-lane Highway in Mountain Area Based On Vissim[J].Journal of Highway and Transportation Research and Development,2012,29(2):140-143.
[12]吴兵,李晔.交通管理与控制[M].5版.北京:人民交通出版社,2015.Wu Bin,Li Ye.Traffic management and control[M].5th edition.Beijing:China Communication Press,2015.
[13]中华人民共和国交通运输部.JTGB01-2014公路工程技术标准[S].北京:人民交通出版社,2014.The ministry of transport of the People's Republic of China.JTGB01-2014 Highway engineering technical standards[S].Beijing:China Communication Press,2014.
[14]中华人民共和国交通运输部.JTGH30-2015公路养护安全作业规程[S].北京:人民交通出版社,2015.The ministry of transport of the People's Republic of China.JTGH30-2015 Highway maintenance safety operation procedures[S].Beijing:China Communication Press,2015.