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Author:

吴鸿遥 (吴鸿遥.) | 程育仁 (程育仁.)

Abstract:

轮轨的相互作用实际上是反复荷载作用下的接触应力问题。只有运用塑性理论的安定性分析才能找到合理的强度判据。本文在论述轮轨接触应力的Hertz弹性解后,根据Melan定理进行了安定性分析,并提出了轮轨强度设计的新判据,即(τ_(xz)~2+τ_(yz)~2)_(max)≤k~2。结果表明,新判据大大地提高了根据弹性解所确定的最大轴重。算例指出,最大轴重比弹性解提高64%左右。

Keyword:

安定性分析 安定极限 弹性解 接触应力

Author Community:

  • [ 1 ] 北京工业大学
  • [ 2 ] 北方交通大学

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Source :

铁道学报

Year: 1982

Issue: 01

Page: 76-83

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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