研究目的：地铁车辆段虽然一般位于城市边缘地带,但用地仍然非常紧张,打破常规设计思路,可以有效地处理设计要求与用地紧张的矛盾。本文结合项目具体情况,从试车线、洗车线、出入线等相关设计内容,详细分析各方面的控制因素,可为其他工程设计提供参考依据。
研究结论：(1)设计不要墨守成规,应理性分析各方面因素,设计成果应安全、经济、科学、合理,完全满足运营要求; (2)贯通式洗车线可根据地形条件及咽喉区平面布置情况设在出入线右侧或左侧; (3)试车线在地形或用地条件限制时,可以在任何部位设置曲线,但曲线半径、缓和曲线长度及超高设置均要满足试车线速度要求,尽量选择大半径曲线。
Research purposes：Although the metro vehicle depot is generally located at the edge of the city, but the land is still in short supply. Breaking through the conventional design idea can effectively relieve the conflict between the design requirement and the short supply of land. Based on the actual project situation, this paper analyzes the various control sectors of occupation of land, such as occupation of lands by vehicle test track, by vehicle washing track and by arrival and departure track, for providing the reference to the similar design works.
Research conclusions：(1) In the design, the old conventions should not be fettered and all elements should be analyzed reasonably. The design should be of safety, money saving, science, reasonableness and full meeting the demands of the operation. (2) The through vehicle washing track is installed on right side or left side of the arrival and departure track in accordance with the topographic conditions and plane layout of the throat area. (3) If the vehicle test track suffers from the limitations of the topographic conditions and occupation of land, the curve can be laid out in any area, but the radius of curve, the length and super-elevation of the transition curve should meet the speed requirement of vehicle test track, and the large radius of curve should be used as much as possible.
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