为分析弹性钢轨扣件轨道的轮轨作用力，通过建立地铁车辆弹性扣件动力分析模型，分析了扣件刚度、列车运行速度等对轮轨作用力的影响。
This paper sets up a dynamic analysis model of subway vehicle-elastic fastener and analyzes the influence of fastener stiffness, train operation speed on the wheel-track force.
为此，扣件必须具有足够的强度，耐久性，和一定的弹性，并有效第保持钢轨与轨枕之间的可靠联结。
Therefore, buckles to have the enough intensity, the durability, with certain elasticity, and effective maintains between the rail and the railroad tie reliable joint.
为此，扣件必须具有足够的强度，耐久性，和一定的弹性，并有效第保持钢轨与轨枕之间的可靠联结。
Therefore, buckles to have the enough intensity, the durability, with certain elasticity, and effective maintains between the rail and the railroad tie reliable joint.
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