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Improved wheel-rail system of Sweden’s iron ore line
Swedish Transport Administration, Trafikverket Luleå.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.ORCID iD: 0000-0002-9723-2881
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
2017 (English)In: Proceedings of the 11th International Heavy Haul Association Conference (IHHA 2017), Cape Town, South Africa, 2–6 September 2017 / [ed] P.J. (Hannes) Gräbe, R.D. Fröhling, 2017, p. 759-766Conference paper, Published paper (Other academic)
Abstract [en]

ABSTRACT: The Swedish Iron Ore Line (IOL) is the only heavy haul line in Europe. The northern part of the line is located above the Arctic Circle, a very harsh climate. Because of the introduction of new vehicles with a 30-tonnes axle load, the track were gradually replaced between 2006 and 2009 with heavier rails, mostly with a steel grade of R350LHT. Just after the first replacement of track in 2006, the project presented herein was established with the primary goal of improving the life length of the rail, and monitoring activities started. This project now has a unique database of rail degradation data. So far, the information has been used to improve the performance of the wheel-rail system and thus extend the life length of the rail, as well as to improve our knowledge of heavy haul operations in a cold climate. The paper discusses the project progress in general and gives some examples of improvements that have been successfully implemented, such as new rail profiles and a higher grinding frequency. Finally, it discusses the challenges of future capacity improvements, such as an increase in the axle load, and how these can be addressed.

Place, publisher, year, edition, pages
2017. p. 759-766
National Category
Engineering and Technology Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-66790ISBN: 9780911382662 (print)OAI: oai:DiVA.org:ltu-66790DiVA, id: diva2:1160728
Conference
11th International Heavy Haul Association Conference, Cape Town, South Africa, 2-6 September 2017
Available from: 2017-11-28 Created: 2017-11-28 Last updated: 2017-12-04Bibliographically approved

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