| 可穿越间隙理论求解二相位交叉口通行能力 |
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| 引用本文： | 戴霄,陈学武.可穿越间隙理论求解二相位交叉口通行能力[J].交通运输工程与信息学报,2005,3(4):70-74,93. |
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| 作者姓名： | 戴霄 陈学武 |
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| 作者单位： | 东南大学,交通学院,南京,210096;东南大学,交通学院,南京,210096 |
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| 摘 要： | 本文在细致分析二相位交叉口车流运行特征的基础上，提出根据可穿越间隙理论与方法求解二相位交叉口的通行能力的方法。假定直行车流的车头时距服从一定的概率分布，据此计算对向左转车的最大可能穿越车数，得出左转车道的通行能力、二相位交叉口的通行能力，并运用上述结果对二相位控制的交叉口的交通运行质量进行评价，确定二相位交叉口的适用条件，为两相位控制向多相位控制的升级提供依据．
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| 关 键 词： | 交叉口 通行能力 二相位 间隙理论 |
| 文章编号： | 1672-4747（2005）04-0070-06 |
| 收稿时间： | 2005-04-29 |
| 修稿时间： | 2005年4月29日 |
Calculation Method for the Capacity of Two-phasebit Intersections Based on Critical Gap Theory |
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| DAI Xiao,CHEN Xue-wu.Calculation Method for the Capacity of Two-phasebit Intersections Based on Critical Gap Theory[J].Journal of Transportation Engineering and Information,2005,3(4):70-74,93. |
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| Authors: | DAI Xiao CHEN Xue-wu |
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| Abstract: | This paper analyses the vehicle flow characteristics of two-phasebit intersections, and puts forward an analysis method for the capacity of two-phasebit intersections based on critical gap theory. Supposing that the headway time of straight vehicle flow obey some probability distributing, the maximum through amount of left-turning vehicles can be calculated, then, the capacities of left-turning roadway andtwo-phasebit intersections were obstained. Finally, the results are used to evaluate the traffic running quality, todetermin the using condition of two-phasebit intersections, and to provid advice for upgrading from two-phasebit intersections to multi-phasebit intersections. |
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| Keywords: | Intersections traffic capacity two-phasebit critical gap theory |
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