多股道城市轨道交通车站站前折返能力分析
Turnback Capacity Assessment at Rail Transit Stub-end Terminal with Multi Tracks
投稿时间:2016-08-31  修订日期:2017-07-04
DOI:10.11908/j.issn.0253-374x.2017.09.011     稿件编号:    中图分类号:U231+.92
 
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中文摘要
      折返能力是制约线路能力的关键因素之一,以站前四线站前折返站为研究对象,通过综合考虑车站折返模式、列车停站时间、列车进出车站的均衡性等影响因素,基于N-Track理论模型,建立以总折返过程耗费时间最小为目标的整数规划模型,得到不同股道使用方案与不同折返模式条件下的最大折返能力和股道运用方案,最后以上海轨道交通16号线滴水湖站为实例进行分析,验证评估折返能力与折返股道的使用方式、列车停站时间和列车进出车站的均衡程度的关系。
英文摘要
      Turnback capacity have become a major concern for the line capacity of rail transit. Take a rail transit stub-end terminal with four-tail tracks as background, based on N-track integrated model, a mixed integer programming optimization model is formed to estimate the turnback capacity and the track occupation strategies with the objective of minimizing occupation times of trains. Operations and design parameters such as tail track allocation strategies, train layover time, homogeneity of trains are also considered in this model. We illustrated our model using computational experiments drawn from the real rail transit line 16 in Shanghai and reached results which show that how the track occupation strategy, maximum layover time, homogeneity impact on turnback capacity.
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