| 交叉口高峰时段右转车辆通行时间可靠性研究 |
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| 引用本文： | 李巧茹,高玲玲,陈亮,王朋.交叉口高峰时段右转车辆通行时间可靠性研究[J].水运科技信息,2011(5):100-103. |
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| 作者姓名： | 李巧茹 高玲玲 陈亮 王朋 |
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| 作者单位： | [1]河北工业大学土木工程学院,天津300401 [2]河北省土木工程技术研究中心,天津300401 |
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| 摘 要： | 早高峰时段对右转车辆通过十字交叉口的时间进行连续2h的观测,对获得的样本数据采用统计学的方法进行分析,得出样本基本符合正态分布的一般假设,运用检验对这一假设进行检验,得到其符合正态分布的一般规律。基于上述分布规律,通过提出的交叉口的右转通行时间修正系数,对路段行程时间可靠性模型进行改进,得到适用于十字交叉口处右转车的通行时间可靠性评价模型。
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| 关 键 词： | 右转车辆 通行时间可靠性 χ2检验 右转修正系数 正态分布 |
Study of Through Time Reliability of Right-turning Vehicles at the Crossing Intersection in the Traffic Peak Period |
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| Li Qiaoru,Gao Lingling,Chen Liang,Wang Peng.Study of Through Time Reliability of Right-turning Vehicles at the Crossing Intersection in the Traffic Peak Period[J].Transportation Science & Technology,2011(5):100-103. |
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| Authors: | Li Qiaoru Gao Lingling Chen Liang Wang Peng |
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| Institution: | 1.College of Civil Engineering,Hebei University of Technology,Tianjin 300401,China; 2.Civil Engineering Technology Research Center of Hebei Province,Tianjin 300401,China) |
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| Abstract: | The through time of right turning traffic at a crossing intersection are investigated for 2 hours on a single day.The distribution of the data samples are assumed to conform to normal distribution.With the method of Pearson test,the above assumption can be proved.Based on the above conclusion,with the proposed concept of modified coefficient of right-turning vehicles,the model of travel time reliability used in the section had been improved.The new model can be used to evaluate the through time reliability of the right-turning vehicles at the crossing intersection.This model is suitable for the special environment of the crossing intersection which has not special right-turning signal lamp.The results of this study will be the essential part of the travel time reliability of the whole route. |
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| Keywords: | right-turning vehicles through time reliability pearson test modified coefficient of right-turning vehicles normal distribution |
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