RailTec系统:延长螺栓导轨的使用寿命

Proceedings., Technical Papers Presented at the IEEE/ASME Joint Railroad Conference Pub Date : 1989-04-25 DOI:10.1109/RRCON.1989.77282

D. Archambeau

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引用次数: 1

摘要

作者介绍了钢轨接头疲劳增强技术的最新进展，并总结了业界的试验结果。特别注意的是铁路冷扩展系统(RailTec)。经过多年的试验，劈裂套筒冷胀系统已被证明可以通过减少螺栓孔疲劳开裂来提高螺栓钢轨的寿命。采用该工艺可消除或显著减少钢轨腹板螺栓孔区域的疲劳裂纹扩展。结论是，RailTec系统大大减少了铁路故障的主要原因，并最大限度地降低了轨道检查和维护成本。

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RailTec system: extending the life of bolted rail

The author identifies the recent developments in the technology of fatigue enhancement of rail joints and summarizes the industry's testing results. Particular attention is given to the Railroad Cold Expansion System (RailTec). After years of testing, the split sleeve cold expansion system has been proven to enhance the life of bolted rail by minimizing bolt hole fatigue cracking. Using this process, there is an elimination or significant reduction of fatigue crack growth in the bolt hole region of the rail web. It is concluded that the RailTec system substantially reduces a major cause of rail failure and minimizes track inspection and maintenance costs.<>

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Proceedings., Technical Papers Presented at the IEEE/ASME Joint Railroad Conference

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