| 城市快速路互通立交桥环形匝道通行能力 |
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| 引用本文： | 臧晓冬,周伟,郭香妍,龚华炜.城市快速路互通立交桥环形匝道通行能力[J].系统工程,2008,26(11). |
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| 作者姓名： | 臧晓冬 周伟 郭香妍 龚华炜 |
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| 作者单位： | [1]北京工业大学交通工程北京市重点实验室,北京100022 [2]交通部公路科学研究院,北京100088 [3]广州大学土木学院,广东广州510006 |
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| 基金项目： | 国家科技支撑项目
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建设部科技项目
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| 摘 要： | 从通行能力的基本概念出发,考虑了不同跟驰状态下跟驰时间的变化规律,并加入车头时距的随机项,建立了环形匝道通行能力理论模型,从满足设计和驾驶员心理需求的角度分析了环形匝道的自由流速度的取值,通过大量的调查数据,对理论模型进行了标定,并应用此模型对环形匝道不同设计速度情况下的通行能力值进行了计算,计算结果与实际情况相符.
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| 关 键 词： | 交通工程 通行能力 理论分析 环形匝道 |
The Capacity of Ring Ramp on Urban Expressway Interchange |
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| ZANG Xiao-dong,ZHOU Wei,GUO Xiang-yan,GONG Hua-wei.The Capacity of Ring Ramp on Urban Expressway Interchange[J].Systems Engineering,2008,26(11). |
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| Authors: | ZANG Xiao-dong ZHOU Wei GUO Xiang-yan GONG Hua-wei |
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| Institution: | ZANG Xiao-dong1,3,ZHOU Wei2,GUO Xiang-yan3,GONG Hua-wei3(1.Beijing Key Lab of Traffic Engineering,Beijing University of Technology,Beijing 100022,China,2.Research Institute of Highway Ministry of Communications,Beijing 100088,3.School of Civil Engineering,Guangzhou University,Guangzhou 510006,China) |
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| Abstract: | A theoretic model for capacity of ring ramp on urban expressway interchanges is founded in this paper based on the concept of capacity,considering with the change law of following time and random item of headway.And from the view of designing and mental demand of driver,we analyze the value of free-speed on ring ramp,and according to the plenty of investigating data,calibrating and validating the theoretic model,and finally calculate the capacity of ring ramp at different free-speeds, the result proves this... |
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| Keywords: | Traffic Engineering Capacity Theoretic Analysis Ring Ramp |
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