1. Calculation method for station-end turn-back capacity of urban rail transit based on train traction.
- Author
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ZHANG Zeng-yong, MAO Bao-hua, JIANG Yu-kun, and ZHU Yu-ting
- Subjects
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TRACTION (Engineering) , *RAILROADS , *RAILROAD tracks , *DYNAMICS , *MATHEMATICAL models , *SUBWAYS - Abstract
Method of train traction calculation is applied into calculate station-end turn-back capacity of urban rail transit, and the calculation effects are analyzed. First of all, this paper described and analyzed categories and operation progress of station-end turn-back, and obtained the minimal departure interval calculation formula of single track turn-back and double track turn-back, and suggested the reasonable turn-back track number when the throat area cannot operate parallel. Then, the kinetic equation, which solved the calculation method of station-end turn-back by using train traction calculation, was proposed. Finally, this paper used Beijing subway station Beijingxi under construction and DKZ4 trains as an example, and obtained the minimal departure intervals of station-end turn-back while DKZ4 train was operated under energy-saving mode and time-saving mode: the turn-back time using double tracks is much longer than that using single track. Based on these, this paper compared and analyzed the calculation results with that using average acceleration and deceleration, and shows that using train traction calculation is valuable in the capacity calculation of turn-back station. [ABSTRACT FROM AUTHOR]
- Published
- 2013