| 高架出口匝道区域工程措施实施边界条件研究 |
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| 引用本文： | 陈颖雪,吴兵.高架出口匝道区域工程措施实施边界条件研究[J].重庆交通大学学报(自然科学版),2010,29(1):103-105,150. |
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| 作者姓名： | 陈颖雪 吴兵 |
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| 作者单位： | 上海工程技术大学,城市轨道交通学院,上海,201620;同济大学,道路与交通工程教育部重点实验室,上海,200092 |
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| 基金项目： | 上海市教育委员会重点学科建设项目(J51401);;上海市高校选拔培养优秀青年教师专项基金项目(gid09024) |
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| 摘 要： | 针对目前上海市交通高峰期部分出口匝道拥挤严重而面临可能采取工程措施的情况,利用VISSIM仿真软件建模进行出口匝道区域工程措施实施的边界条件研究。以模型中出口匝道车辆排队长度不回溯至主线为条件,确定某个出口匝道的疏散能力(能离开该出口匝道并通过前方交叉口疏散的最大交通量),为今后出口匝道的组织和控制奠定理论基础,并结合现状交通需求,定量确定实施工程措施的充分条件和必要条件,给上海乃至全国高架道路出口匝道区域工程措施实施与否提供理论依据。
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| 关 键 词： | 高架道路出口匝道 工程措施边界条件 VISSIM仿真 排队长度 疏散能力 |
Boundary Conditions of Engineering Implementation at Zone of Exit Ramp of Elevated Road |
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| CHEN Ying-xue,WU Bing.Boundary Conditions of Engineering Implementation at Zone of Exit Ramp of Elevated Road[J].Journal of Chongqing Jiaotong University,2010,29(1):103-105,150. |
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| Authors: | CHEN Ying-xue WU Bing |
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| Institution: | 1. School of Urban Railway Transportation;Shanghai University of Engineering & Science;Shanghai 201620;China;2. Key Laboratory for Road & Traffic Engineering of Education Ministry;Tongji University;Shanghai 200092;China |
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| Abstract: | Currently,some exit ramps of elevated roads in Shanghai are so crowd at peak time that they face to be taken of engineering measures. Boundary conditions of engineering implementation at zone of exit ramp of road are studied by using VISSIM software to model. Firstly,the evacuation capability of the exit (the largest traffic volume to leave the ramp and to get through the intersection ahead) is determined on the condition that the queue length of vehicle at the zone of exit ramp does not go back to the main... |
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| Keywords: | exit ramp of elevated road boundary conditions of engineering implementation VISSIM simulation queue length evacuation capability |
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