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WU Qi-bing, CHEN Feng, GAO Yong-xin, LI Xiao-hong, ZHAI Qing-sheng. Computation model of standing-passenger density in urban rail transit carriage[J]. Journal of Traffic and Transportation Engineering, 2015, 15(4): 101-109. doi: 10.19818/j.cnki.1671-1637.2015.04.013
Citation: WU Qi-bing, CHEN Feng, GAO Yong-xin, LI Xiao-hong, ZHAI Qing-sheng. Computation model of standing-passenger density in urban rail transit carriage[J]. Journal of Traffic and Transportation Engineering, 2015, 15(4): 101-109. doi: 10.19818/j.cnki.1671-1637.2015.04.013
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Computation model of standing-passenger density in urban rail transit carriage

doi: 10.19818/j.cnki.1671-1637.2015.04.013
  • 1.

    School of Civil Engineering, Beijing Jiaotong University

  • 2.

    Beijing Guang'an Infrastructure Construction Investment Company

  • 3.

    Beijing Engineering and Technology Research Center of Rail Transit Line Safety and Disaster Prevention, Beijing Jiaotong University, Beijing 100044, China

More Information
  • Author Bio:

    WU Qi-bing(1977-), male, engineer, doctoral student, +86-10-83159089, wu-qibing@163.com

    CHEN Feng(1962-), male, professor, PhD, +86-10-51688838, fengchen@bjtu.edu.cn

  • Received Date: 2015-02-13
  • Publish Date: 2015-04-25
    Abstract
  • To determine a scientific and reasonable standing-passenger density in urban rail transit carriage, the impact of standing-passenger density on comfort was studied in the perspective of standing passenger's comfort. Through analyzing and quantizing the data collected from questionnaires and field measurements, two main factors namely spatial congestion and carriage microenvironment were obtained.Based on the means of linear weighting method and customer empowerment method, a static comfort evaluation model was built by combining the 2factors.Considering the effect of long-time standing on comfort, and comparing to the fatigue index, the static comfort evaluation model was modified.A questionnaire survey was conducted to verify the time reduction factor and determine the parameters. A standing-passenger density-based generalized comfort evaluation model was built.Based on the generalized comfort evaluationmodel, a reasonable standing-passenger density model was proposed by using backstepping approach.Based on the built model, the Line 4of the Beijing Subway-Daxing Line was used for comfort evaluation.Analysis result indicates that the comfort evaluation can reflect the change of standing-passenger density timely and accurately, and the comfort evaluating result can help improving the service level of urban transit.The reasonable standing-passenger densities of Line4 of the Beijing Subway-Daxing Line meeting the comfortable level, designed level, and overcrowding level are 3.1, 4.2, 4.7person·m-2, respectively, the calculated densities are corresponding to 3.0, 4.0, 6.0person·m-2 of vehicle design capacity of American, and also consistent with the survey result, so the model can be used to determine the standing-passenger density in the planning and design of urban transit.

     

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