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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
2Laboratoire Matériaux pour Infrastructures de Transport IFSTTAR, Nantes, France
3VCSA, Rueil Malmaison, France
4Track Fastening Systems, RAILTECH, Raismes, France
5Unité Politique Voie, RFF, Paris, France
6CEF, Petite Forêt, France

Full Bibliographic Reference for this paper
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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