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标题 |
道床纵向阻力变化对无缝道岔受力与变形的影响(50 卷) |
英文标题 |
Influence of change of subgrade bed longitudinal resistance on stress and strain in continuous welded turnout |
摘要 |
为了进一步研究无缝道岔受力和变形的特点,通过建立模型,利用现场实测数据,计算了道岔直侧股、道床捣固前后、岔区与区间线路的道床纵向阻力。计算得到12号道岔钢轨升温50℃时各部分的受力和变形结果。分析表明:直侧股道床纵向阻力相差越大,直曲基本轨处限位器作用力大小 |
作者 |
新闻作者:王 斌,陈 嵘,王 平 |
关键字 |