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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), Göteborg, Sweden.
Swedish National Road and Transport Research Institute (VTI), Göteborg, Sweden.
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Number of Authors: 72022 (English)In: CM 2022: 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings, International Conference on Contact Mechanics of Wheel / Rail Systems , 2022, p. 258-265Conference paper, Published paper (Refereed)
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 20% 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
International Conference on Contact Mechanics of Wheel / Rail Systems , 2022. p. 258-265
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-333398Scopus ID: 2-s2.0-85149182015OAI: oai:DiVA.org:kth-333398DiVA, id: diva2:1785110
Conference
12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2022, Melbourne, Australia, Sep 4 2022 - Sep 7 2022
Note

Part of ISBN 9780646865881

QC 20230801

Available from: 2023-08-01 Created: 2023-08-01 Last updated: 2023-08-01Bibliographically approved

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Hossein Nia, SaeedKrishna, Visakh VStichel, Sebastian

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