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| 标题 |
| 弹性支承块轨道结构落轴冲击动力性能分析(27 卷) |
| 英文标题 |
| Analysis on the Dynamic Characteristics of Low Vibration Track by Use of Wheel Load Drop |
| 摘要 |
| 将轮轨接触边界条件用罚函数法释放,采用点面接触单元导出轮轨接触有限元控制方程,建立轨道结构落轴冲击动力有限元方程。分析落轴冲击对轨道结构产生的动态响应,比较弹性支承块及短轨枕埋入式整体道床轨道结构的动力性能,并用现场实测数据进行验证。结果表明:弹性支承块 |
| 作者 |
| 新闻作者:朱剑月, 练松良 |
| 关键字 |