| 既有线提速与通过能力的关系 |
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| 引用本文： | 崔逢霞.既有线提速与通过能力的关系[J].交通科技与经济,2009,11(4):27-28,31. |
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| 作者姓名： | 崔逢霞 |
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| 作者单位： | 西南交通大学,交通运输学院,四川,成都,610031 |
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| 摘 要： | 在既有线提速状况下，先分析扣除系数的变化趋势，其分析结果表明：扣除系数及其变化幅度与旅客列车速度成正比关系；再逐一分析追踪列车间隔时间、列车连发比例、不同客货列车速度匹配、提速列车开行数量等因素对线路通过能力的影响。由分析可知：旅客列车比例提高，有利于组织列车群发；客货列车速差变小，有利于列车区间运行时分之差减小。均对提高线路区间通过能力产生有利影响。
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| 关 键 词： | 既有线提速 通过能力 扣除系数 铁路运输组织 |
Analyze the Changing of the Line Carrying Capacity on Existing Double Railway Lines |
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| CUI Feng-xia.Analyze the Changing of the Line Carrying Capacity on Existing Double Railway Lines[J].Technology & Economy in Areas of Communications,2009,11(4):27-28,31. |
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| Authors: | CUI Feng-xia |
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| Institution: | School of Transportation;Southwest Jiaotong University;Chengdu 610031;China |
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| Abstract: | On existing double railway lines speed-up conditions,firstly analyze the changes of the reduction coefficient of passenger train,and the analysis showed that:the coefficient of variation is proportional with the speed of passenger trains. Secondly analyze tracking train headway,the train bursts ratio,different passenger and freight trains speed matching and other factors on the impact of line capacity. Finally,some useful conclusions are reached. |
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| Keywords: | existing double railway speed-up line carrying capacity reduction coefficient of passengertrain railway traffic organization |
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