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当前位置: 首页 > 文章 > 城市快速路匝道合流区拥阻机理及对策分析 中南林业科技大学学报 2011,31 (9) 152-159
Position: Home > Articles > Analysis on congestion mechanism and strategy of ramp merging area in urban expressway Journal of Central South University of Forestry & Technology 2011,31 (9) 152-159

城市快速路匝道合流区拥阻机理及对策分析

作  者：
薛行健;宋睿;晏克非
单  位：
同济大学道路与交通工程重点实验室
关键词：
城市快速路;匝道合流区;拥阻机理;拥阻对策;通行能力
摘  要：
城市快速路匝道合流区是拥阻高发区域。基于跟驰理论和交通波理论,通过对交通运行行为进行解析,明确了匝道车辆汇入主线产生的变道及由此导致的变速行为是匝道合流区通行能力下降的成因,并用上海市快速路匝道合流区实例对理论分析进行了印证;最后根据分析结论,提出防治匝道合流区拥阻的6条原则,并结合城市快速路的设计、管控和评价内容逐条进行了分析,提出了匝道合流区拥阻防治对策。
译  名：
Analysis on congestion mechanism and strategy of ramp merging area in urban expressway
作  者：
XUE Xing-jian1,2,SONG Rui1,YAN Ke-fei1(1.Key Lab.of Roads and Traffic Engineering of National Ministry of Education,Shanghai 201804,China; 2.School of Logistics,Central South University of Forestry and Technology,Changsha 410004,Hunan,China)
关键词：
urban expressway;ramp merging area;congestion mechanism;congestion strategy;traffic capacity
摘  要：
Ramp merging areas of urban expressway are areas of high incidence of congestion.Based on car-following theory and traffic weave theory and explanation of traffic operation behavior,the cause that traffic capacity decreases was explained by lane-change generated by ramp cars importing mainline and resultant speed-change behavior,and the example of ramp merging area of expressway of Shanghai was used to certify the theory.Finally,6 basic principles for controlling congestion of ramp merging area were put forward with analytical conclusion and controlling congestion strategy for ramp merging area was provided combined with design,management,control and appraisal of urban expressway.

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