Abstract：Research purposes: Metro depot is the base of train parking maintenance and overhaul. The train washing is one of the most important functions of metro depot. At present } train automatic washing devices are used widely to improve the washing quality and efficiency and the special washing tracks are set in the metro depot. As the different layout type of train washing track has a great effect on the washing capacity and efficiency，how to analyze washing capacity and optimize the layout of washing track in the depot design is an important research subject worthy to be studied.
Research methods: By comparing the washing technology and analyzing washing capacity of several typical layout types of train washing tracks in Guangzhou and Shanghai metro depots，this paper studies the applicability and corresponding capability of various schemes.
Research conclusions: As the different layout type of train washing track has a great effect on the washing capacity and efficiency the choosing sequence is suggested as scheme 1，scheme2，scheme3 and scheme4.
张雄,李剑虹. 论地铁车辆段洗车线布置型式及能力分析[J]. 铁道工程学报, 2007, 24(6): 75-79.
ZHANG Xiong,LI Jian-hong. Analysis of Layout Type and Capacity of Train Washing Track in Metro Depot. 铁道工程学报, 2007, 24(6): 75-79.
2007, Vol. 24 
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