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TANG Bo, LEI Ding-you, ZHANG Ying-gui, WANG Xin-yu. Calculating method of carrying capacity for railway station bottleneck[J]. Journal of Traffic and Transportation Engineering, 2010, 10(6): 69-74. doi: 10.19818/j.cnki.1671-1637.2010.06.012
Citation: TANG Bo, LEI Ding-you, ZHANG Ying-gui, WANG Xin-yu. Calculating method of carrying capacity for railway station bottleneck[J]. Journal of Traffic and Transportation Engineering, 2010, 10(6): 69-74. doi: 10.19818/j.cnki.1671-1637.2010.06.012
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Calculating method of carrying capacity for railway station bottleneck

doi: 10.19818/j.cnki.1671-1637.2010.06.012

  • School of Traffic and Transportation Engineering, Central South University, Changsha 410075, Hunan, China

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  • Author Bio:

    TANG Bo(1984-), male, doctoral student, +86-731-82655931, tb84100122@126.com

    LEI Ding-you(1958-), male, professor, +86-731-82655931, ding@mail.csu.edu.cn

  • Received Date: 2010-07-06
  • Publish Date: 2010-12-25
    Abstract
  • In order to calculate the carrying capacity of railway station bottleneck efficiently, a new kind of calculating method with 5 steps was put forward. The method took station bottlenecks' routes as object and the projection of routes' holding time under saturation condition as core. A polynomial equation of higher degree with an unknown variable was deduced by applying probability theory, and the equation could calibrate the key parameters in the calculating method. Algorithms for searching complete sub-graphs based on parallel-route relation graph were devised in order to determine the equation coefficients. Guangzhou orientation bottleneck in Dongguan Station was as a calculation example. Calculation result shows that the carrying capacity of the station bottleneck is 503 trains, 43#, 45# and 53# turnouts are taken up by 102 trains, and the carrying capacity utilization ratio is 75%. So the calculating method has good maneuverability.

     

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