|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011年02 期
| 标题 |
| 合成轨枕式无砟轨道垂向受力影响参数分析(51 卷) |
| 英文标题 |
| Influential parameters analysis of synthetic sleeper-type ballastless track under vertical loading |
| 摘要 |
| 根据弹性地基梁板理论，运用有限元方法，建立了合成轨枕式无砟轨道“梁—梁—板”计算模型。运用所建立的有限元模型分析了扣件刚度、树脂砂浆刚度等参数对轨道结构垂向受力特性的影响；分析得出，扣件刚度取动刚度50 kN/mm进行设计是合适的；树脂砂浆的弹性模量宜在200～300 |
| 作者 |
| 新闻作者:何燕平,周 毅,杨荣山 |
| 关键字 |
