冻结无缝线路稳定性分析
An Analysis of the Stability of Tracks with Frozen Joints
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摘要: 建立了钢轨接头抗扭刚度的计算模型,推导了冻结无缝线路稳定性的计算公式,分析了接头阻力、预留 轨缝、曲线半径等因素对冻结无缝线路稳定性的影响。最后还列表给出了不同工况下的临界温度压力值。Abstract: A model is proposed for calculating the flexural rigidity of rail joints. The calculation formulas for the stability of the track with frozen joints are deduced. The influences of some parameters, such as joint resistance, installed rail gap and radius of the curve, on the stability of tracks with frozen joints are analyzed and the critical forces in different conditions are listed with a table.
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Key words:
- jointless tracks /
- frozen joints /
- stability
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