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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 174
A New Ballastless Trackform for Lower Maintenance Q. Corbisez1, C. Masson1, L. Pesqueux1, T. Sedran2, L.M. Cottineau2, F. Barresi3, J. Caillau4, N. Milesi5 and J.M. Vanzenberg6
1Track, Alstom Transport, Paris, France
Q. Corbisez, C. Masson, L. Pesqueux, T. Sedran, L.M. Cottineau, F. Barresi, J. Caillau, N. Milesi, J.M. Vanzenberg, "A New Ballastless Trackform for Lower Maintenance", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 174, 2014. doi:10.4203/ccp.104.174
Keywords: ballastless track design, high speed lines, mixed freight-high speed traffic, laboratory testing, demonstration track, monitoring, maintenance, life cycle costs.
Summary
Increasing economic pressure is leading railway infrastructure companies worldwide
to trim their life cycle costs and increase the availability of their tracks. In this way,
the ongoing comparisons between ballasted track and non-ballasted track are leaning
more and more frequently towards the latter, although the construction costs and
durations are significantly higher. A new ballastless trackform has been developed
over the past five years in France, based on extensive experience on concrete track
behaviour and including considerations of automated installation techniques. In this
paper, the development of this new ballastless track (NBT) is described, from the
conceptual design of a low maintenance/high life slab track, to the construction of a
demonstration track as part of track renewal in Normandy, embedding monitoring
equipment to record the track behaviour during a year.
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