城市轨道交通快慢车方案线路通过能力研究

Line Carrying Capacity of Urban Rail Transit Fast and Slow Train Scheme

针对城市轨道交通既有通过能力计算方法较为粗糙的问题,通过合理假设及分类讨论,采用易得参数给出了城市轨道交通快慢车方案下线路通过能力的计算公式。并以福州某地铁线路为背景进行了案例分析,发现由越行站分割所得区段内的慢车站数量而非越行站间距是线路通过能力的主要影响因素,并给出了越行站设置的相关建议。

In view of the problem that the calculation method of the existing carrying capacity of urban rail transit was rough,the calculation formula of the line carrying capacity of urban rail transit under the fast and slow train schemes was given by using the easily available parameters through reasonable assumptions and classification discussion.Moreover,a case study was performed based on an operational line in Fuzhou Metro.The results show that it is the number of slow stations in the section divided by overtaking stations rather than the distance between overtaking stations is the main influencing factor of the line carrying capacity,and some suggestions on the setting of overtaking stations are given.