在混凝土轨枕的轨道上，由于混凝土轨枕的弹性较差，扣件还需提供足够的弹性。
On concrete tie track, because concrete tie's elasticity is bad, buckles also to provide the enough elasticity.
在ANSYS中建立了轨道有限元模型，整个轨道的结构包括钢轨、扣件、轨枕、道碴。
The finite element model of the track is established in ANSYS. It includes the rail, the pad, the sleeper, and the ballast.
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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