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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 230

Understanding Track Loading Requirements to achieve Better Track Design

Y. Bezin, S. Neves, I. Grossoni and A. Kaushal

Institute of Railway Research, The University of Huddersfield, United Kingdom

Full Bibliographic Reference for this paper
Y. Bezin, S. Neves, I. Grossoni, A. Kaushal, "Understanding Track Loading Requirements to achieve Better Track Design", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 230, 2016. doi:10.4203/ccp.110.230
Keywords: vehicle-track interaction, vehicle dynamics, track forces, track design, ballast, ballastless.

Summary
This paper reviews current track loading requirements (ballasted and ballastless) Typical vehicle-track interaction loads are described along with their influential factors. Limits and influential factors are analysed against statistical evidence from vehicle dynamics measurements. Additional load combinations are presented as potentially relevant for track design. Discussion focus on the potential reduction of load from improved vehicle performance and slab track improved geometry, areas which might bear some benefits in terms of cost reduction for future slab track designs. This paper demonstrates that both vehicle measurement and simulations can provide an important source of information in terms of expected track loading and their limit values to help achieve cost reduction in track design.

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