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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 110
PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 130

A Performance Study of Railway Crossings in Facing and Trailing Directions

X. Liu1, V.L. Markine1 and I.Y. Shevtsov2

1Department of Road and Railway Engineering, Delft University of Technology, The Netherlands
2ProRail, Utrecht, The Netherlands

Full Bibliographic Reference for this paper
X. Liu, V.L. Markine, I.Y. Shevtsov, "A Performance Study of Railway Crossings in Facing and Trailing Directions", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 130, 2016. doi:10.4203/ccp.110.130
Keywords: railway crossover, railway frogs, facing direction, trailing direction, turnout condition monitoring.

Summary
Two 1:9 crossings on the same track line of a double crossover are monitored, in the railway network in the Netherlands, using trains running through one crossing (Frog 1) in the trailing direction and another (Frog 2) in the facing direction. The performance of these crossings are assessed using dynamic responses measured from a Video Gauge and ESAH-M and a comparison with 1:15 crossing responses. Maintenance effects are evaluated comparing the variations of the track responses. According to the measurement results, the concentrated fatigue area in Frog 1 has a potential for plastic deformation in the wing rail, while the damage risk of Frog 2 is due to the high forces and vibration. Some advice is given to help improve track performance. This monitoring work will be continued and eventually the crossing degradation procedure will be assessed. This will provide guidance on the crossing condition estimation and will be applied in the project of structural health monitoring for a railway turnout.

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