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Enhancing freight railways for 30 tonne axle loads
Chalmers University of Technology.
Luleå tekniska universitet.
1999 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017, Vol. 213, no 4, p. 255-263Article in journal (Refereed) Published
Abstract [en]

An effective approach to decrease railway transportation costs is to invest in higher axle load and higher speed. Following a query from the Swedish iron-ore mining company LKAB, the railway infrastructure authorities of Banverket in Sweden and Jernbaneverket in Norway initiated a study of consequences and costs for an upgrading of axle loads from 25 to 30 tonnes (t) on Malmbanan and Ofotbanen. The influence of increased axle loads and improved bogie design on track structure degradation and costs for maintenance and reinvestments has been investigated. Full-scale field measurements of wheel-rail contact forces for the present iron-ore wagons with 25 t axle loads and for two types of prototype wagon with axle loads of 301 have been performed. Computer simulations of dynamic wagon-track interaction and literature studies also provided information used in the estimation of track degradation rates. The total cost for upgrading the infrastructure to take 301 axle loads was found to be lower than anticipated. As a consequence, five prototype wagons dimensioned for 301 axle loads and radial self-steering bogies of the Scheffel HS type have been ordered and were delivered in early 1999 for tests on Malmbanan-Ofotbanen

Place, publisher, year, edition, pages
1999. Vol. 213, no 4, p. 255-263
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-9509Local ID: 828384d0-6f6c-11db-962b-000ea68e967bOAI: oai:DiVA.org:ltu-9509DiVA, id: diva2:982447
Note
Godkänd; 1999; 20060923 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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Citation style
  • apa
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  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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  • asciidoc
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