为 Malmbanan 铁路东南段增加弹性
事实胜于雄辩:加装轨枕垫应对 Gällivare 和 Koskullskulle 两地间的极端轨道工况
挑战
- 轴重 30 吨
- 高频率、高吨位
- 重载货运列车挂载多达 68 节车厢
- 总重约为 8,500 吨
- 高牌号钢轨和轨枕的磨损量高于平均水平
格士纳解决方案
Trafikverket 认为,铺设轨枕垫有助于保护道砟。但该解决方案对于北极圈以北地区的同规模线路是否有效,此前并无成例。该方案要求在轨道内实现理想的荷载分布。为实现这一目标,他们尝试通过增大轨枕和道砟间的接触面积来减小道砟应力。格士纳生产的轨枕垫即非常适合这种情况。
Trafikverket 的优势
- 有效保护有砟轨道
- 进而提高可用性和盈利能力
- 减轻所需维护工作
- 显著降低生命周期成本
- 改善轨道路基质量
- 减少小半径曲线轨道的短节距/钢轨波磨
- 降低振动传播
- 防止轨枕下方存在空隙
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