| 衰减系数法在环形交叉口通行能力计算中的应用 |
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| 引用本文： | 何永明,邓红星.衰减系数法在环形交叉口通行能力计算中的应用[J].长沙理工大学学报(自然科学版),2012,9(3):19-23. |
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| 作者姓名： | 何永明 邓红星 |
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| 作者单位： | 东北林业大学交通学院,哈尔滨,150040 |
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| 基金项目： | 国家高校基金资助项目，黑龙江省自然科学基金资助项目 |
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| 摘 要： | 为了方便快捷准确地计算环形交叉口通行能力,引入衰减系数法对环形交叉口通行能力进行了研究.通过利用衰减系数法对一个四路交叉的环形交叉口实例进行计算和分析,得到了该交叉口通行能力和交织段通行能力.研究结果表明,衰减系数法即可以克服沃尔卓普公式计算环形交叉口交织段通行能力时受诸多约束参数的缺陷,又可以准确计算整个环形交叉口的通行能力.
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| 关 键 词： | 通行能力 环形交叉口 衰减系数 |
Application of attenuation coefficient method for traffic capacity calculation of roundabouts |
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| HE Yong-ming,DENG Hong-xing.Application of attenuation coefficient method for traffic capacity calculation of roundabouts[J].Journal of Changsha University of Science and Technology:Natural Science,2012,9(3):19-23. |
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| Authors: | HE Yong-ming DENG Hong-xing |
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| Institution: | (Department of Traffic Engineering,Northeast Forestry University,Harbin 150040,China) |
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| Abstract: | In order to fast and accurately calculate the traffic capacity of roundabouts,the traffic capacity of roundabout is studied with the attenuation coefficient method.Capacity of the intersection and the weaving section were obtained,by calculating and analyzing a four-leg roundabout example.Research results show that the attenuation coefficient method can overcome the defect that War-drop formula has many binding parameters when using it to calculate the capacity of weaving section,and can accurately calculate the capacity of roundabout. |
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| Keywords: | traffic capacity intersection attenuation |
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