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Simulation-based evaluation of maintenance strategies from a life cycle cost perspective
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics.ORCID iD: 0000-0002-6346-6620
KTH, School of Engineering Sciences (SCI), Engineering Mechanics.ORCID iD: 0000-0002-4477-971X
Swedish National Road and Transport Research Institute (VTI), Stockholm, Sweden.
Swedish National Road and Transport Research Institute (VTI), Göteborg, Sweden.
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2023 (English)In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 532-533, article id 205120Article in journal (Refereed) Published
Abstract [en]

A methodology that combines simulations of long-term mechanical degradation including maintenance interventions with an assessment of the associated socio-economic impact is proposed. This development responds to an urgent need within the railway sector to enable the evaluation of maintenance strategies from a LCC perspective. The functionality of the methodology is demonstrated in an investigation of rail grinding strategies for a curve on the Swedish Iron-ore line. The results indicate a reduction in LCC of 50% when using a harder rail material (R400HT) combined with annual rail grinding as compared to a softer rail material (R350LHT) and two grinding campaigns per year.

Place, publisher, year, edition, pages
Elsevier BV , 2023. Vol. 532-533, article id 205120
Keywords [en]
Life cycle cost, Rail grinding, Rolling contact fatigue (RCF), Simulation of long-term mechanical degradation, Wear
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-337431DOI: 10.1016/j.wear.2023.205120Scopus ID: 2-s2.0-85171678905OAI: oai:DiVA.org:kth-337431DiVA, id: diva2:1802095
Note

QC 20231003

Available from: 2023-10-03 Created: 2023-10-03 Last updated: 2023-10-03Bibliographically approved

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Hossein Nia, SaeedKrishna, Visakh VStichel, Sebastian

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