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设置导流岛的信号交叉口右转通行能力模型 预览 被引量:4

Capacity Model of the Right-turn Lane at Signalized Intersection With Channelized Islands
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摘要 为了计算在信号交叉口设置导流岛后右转车道的通行能力,以接受间隙理论模型为基础,给出了针对设置导流岛的信号交叉口右转车道通行能力计算方法.考虑到非机动车进入导流岛对右转车辆产生较大影响,确定以非机动车流为主路,提出红灯效应修正系数,对基础模型进行修正.通过4个城市6个设置导流岛的信号交叉口实测数据进行模型标定和检验.比较模型计算值与实际观测值发现,平均相对误差为9.28%,表明本文所提计算方法能较好地反映非机动车对右转车道通行能力影响的实际情况. In order to estimate the capacity of right-turn lane at signalized intersections with channelized islands. Based on the gap acceptance model, this paper proposes a new approach to calculating the capacity of right-turn lane at signalized intersections with channelized islands. This model takes into account the interference of non-motorized traffic enter channelized islands. The non-motorized traffic is treated as the traffic on the major road-a crosswalk, which has great impacts on right-turn vehicles on the minor road-an exclusive right-turn lane. The basic model is modified by introducing the red light effect adjustment coefficient. The new model is calibrated and tested using the field data collected at 6 signalized intersections with ehannelized islands in 4 cities. The average relative error between the calculated value and the observed is 9.28% , which means the proposed method in this paper can better estimate the capacity of an exclusive free right-turn lane under the interference of non-motorized traffic.
作者 赖元文 荣建 刘小明 LAI Yuan-wen, RONG Jian , LIU Xiao-ming(1. Beijing Key Lab of Transportation Engineering,Beijing University of Technology, Beijing 100124, China; 2. College of Civil Engineering, Fuzhou University, Fuzhou 350108, China)
出处 《北京工业大学学报》 CAS CSCD 北大核心 2012年第6期 865-869,共5页 Journal of Beijing Polytechnic University
基金 “十一五”国家科技支撑计划重点资助项目(2006BAJ18803).
关键词 交通工程 右转通行能力模型 接受间隙理论 信号交叉口 导流岛 traffic engineering capacity model of the right-turn lane gap acceptance theory signalized intersection channelized islands
作者简介 赖元文(1981-),男,讲师,博士研究生,主要从事城市交通规划与管理方面的研究,E-mail:yuanwenlai@163.com
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