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I. Grossoni¹, Y. Bezin¹ and A. Alonso²

¹Institute of Railway Research, University of Huddersfield, United Kingdom
²CEIT, San Sebastian, Spain

doi:10.4203/ccp.104.226

I. Grossoni, Y. Bezin, A. Alonso, "Modelling Uneven Support at Railway Crossings using a Vehicle-track Coupling System", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 226, 2014. doi:10.4203/ccp.104.226

Keywords: railway crossing, unsupported sleepers, vehicle-track interaction, dynamics, non-linear properties, wheel-rail contact force.

Summary

A vertical vehicle-track coupling system, including the irregularity due to an acute crossing and a non-linear model, to describe the uneven support is presented. The track system is modelled as a finite length beam resting on a triple layer discrete viscous-elastic foundation. The vehicle is represented by a half car body and a single bogie. An iterative scheme is developed to solve the problem. The influence of the travelling speed, the number of hanging sleepers and the void gap size is investigated. Finally, the results are further related to the degradation of the ballast layer for the specific conditions simulated.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 104 PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 226 Modelling Uneven Support at Railway Crossings using a Vehicle-track Coupling System I. Grossoni¹, Y. Bezin¹ and A. Alonso² ¹Institute of Railway Research, University of Huddersfield, United Kingdom ²CEIT, San Sebastian, Spain doi:10.4203/ccp.104.226 purchase the full-text of this paper Full Bibliographic Reference for this paper I. Grossoni, Y. Bezin, A. Alonso, "Modelling Uneven Support at Railway Crossings using a Vehicle-track Coupling System", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 226, 2014. doi:10.4203/ccp.104.226 Keywords: railway crossing, unsupported sleepers, vehicle-track interaction, dynamics, non-linear properties, wheel-rail contact force. Summary A vertical vehicle-track coupling system, including the irregularity due to an acute crossing and a non-linear model, to describe the uneven support is presented. The track system is modelled as a finite length beam resting on a triple layer discrete viscous-elastic foundation. The vehicle is represented by a half car body and a single bogie. An iterative scheme is developed to solve the problem. The influence of the travelling speed, the number of hanging sleepers and the void gap size is investigated. Finally, the results are further related to the degradation of the ballast layer for the specific conditions simulated. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
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