借道左转交叉口的适用条件与特性分析
Applicable Conditions and Characteristics Analysis of Contraflow Left-turn Intersection
查看参考文献17篇
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文摘
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基于车流波动理论和VISSIM 软件仿真分析,研究交叉口适宜设置借道左转车道的车流量临界条件。通过波动理论分析得到设置借道左转车道的临界计算公式,以实例计算和VISSIM 仿真分析进行验证,并基于 VISSIM 软件,对交叉口设置借道左转车道前后各运行指标的差异进行对比分析。仿真结果表明,在左转车流量较小并以不饱和流率驶入借道左转车道时,不宜设置借道左转车道,在适宜设置借道左转车道的流量条件下,借道左转车道的设置能有效提高交叉口左转通行能力,并降低左转车辆的平均延误、行程时间、排队长度、停车时间等,借道左转车道的设置不一定会增加左转车辆的停车次数,其与左转车流量有关。 |
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其他语种文摘
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Based on the traffic wave theory and VISSIM software simulation analysis,the critical condition of traffic flow that is appropriate for the intersection to set the Contraflow Left-turn Lanes(CLL) is studied.The critical calculation formula of setting left-turn lane is obtained by wave theory analysis and verified by example calculation and VISSIM simulation analysis.Based on the VISSIM software,the difference between the operational indicators before and after the intersection setting the left-turn lane is analyzed.Simulation results show that when the left-turn traffic flow is small that enters the CLL with unsaturated flow rate,it is not advisable to set the CLL.When the traffic condition which is appropriate to set the CLL,the setting of CLL can effectively improve the left-turn capacity and reduce the average delay,schedule time,length of queue,parking time,etc.The setting of CLL may not increase the number of the parking times,which is related to the left-turn traffic flow. |
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来源
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计算机工程
,2019,45(6):21-25,31 【扩展库】
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DOI
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10.19678/j.issn.1000-3428.0050895
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关键词
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借道左转
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波动理论
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仿真分析
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临界条件
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评价指标
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地址
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中南大学交通运输工程学院, 长沙, 410075
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-3428 |
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学科
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自动化技术、计算机技术 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:6513197
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17
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