通过对车辆在曲线上的运行特征的分析，从车辆自身通过最小曲线半径、抗倾覆能力的最小曲线半径、满足旅客列车最高运行速度要求的最小曲线半径、满足旅客舒适度与内外轨均磨条件要求的最小曲线半径等因素，建立平曲线最小曲线半径与车辆运行特征间的对应关系；从车辆连挂车钩最小曲线半径、工程允许曲线半径、限坡当量竖曲线最小曲线半径、车辆结构限界要求的最小曲线半径、行车平稳性及舒适度要求的最小曲线半径等建立竖曲线最小曲线半径与车辆运行特征间的对应关系；运用相关的参数，对站线曲线半径标准的选择，进行计算与分析；为站线曲线半径标准及道岔标准的选择，提供系统理论根据，为新一轮《线规》及《站规》与工程具体设计，提供系统理论支持。%Through the analysis of the characteristics of cars running on the curve, this paper establishes the correlation between the minimum curve radius and vehicle running characteristics with respect to vehicle applied minimum curve radius, the minimum curve radius to resist overturning, the minimum curve radius required for maximum passenger train speed, for riding comfort and even-wearing of the high and low rails. The correlation is also established between the minimum vertical curve radius and operating characteristics of vehicles in perspective of the minimum curve radius for vehicle coupling, the minimum curve radius for engineering, for limit slope equivalent vertical curve, the minimum curve radius, for vehicle envelope limit, for running smoothness and ride comfort. With the related parameters, station line standard curve radius is selected, calculated and analyzed to provide theoretical reference for the selection of station line curve radius and the switch and to offer systematical and theoretical support for the preparation of new Line Specification and Railway Station Specification and engineering design.
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