Method for evaluating the performance of railway crossing rails after long-term service

Method for evaluating the performance of railway crossing rails after long-term service

Wei, Z. (TU Delft Railway Engineering)
Nunez, Alfredo (TU Delft Railway Engineering)
Boogaard, M.A. (TU Delft Railway Engineering)
Dollevoet, R.P.B.J. (TU Delft Railway Engineering)
Li, Z. (TU Delft Railway Engineering)

2018

In this paper, we present a method for evaluating the performance of railway crossing rails after long-term service. The method includes 1) 3D profile and hardness measurements; 2) finite element simulation of wheel/rail interaction; and 3) numerical prediction of rail degradation. We conducted a case study on a crossing that had been in service for several years. The results indicate that the crossing experienced a run-in process in the major traffic direction, manifested as a widening of the running band, an enlargement of the contact patch size, a decrease in contact stress and eventually a reduction in plastic deformation and wear. However, the wheel/rail interaction was exacerbated in the minor traffic direction which induced more severe plastic deformation and wear.

Railway crossing
Performance evaluation
3D profile measurement
measurement; Finite element simulation

http://resolver.tudelft.nl/uuid:9ed1da65-8db0-4308-ac4e-1bd4e4328417

https://doi.org/10.1016/j.triboint.2018.03.016

2018-09-21

0301-679X

Tribology International, 123, 337-348

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Institutional Repository

journal article

© 2018 Z. Wei, Alfredo Nunez, M.A. Boogaard, R.P.B.J. Dollevoet, Z. Li