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Cost-effective track geometry maintenance limits
Luleå tekniska universitet, Drift, underhåll och akustik.
Luleå tekniska universitet, Drift, underhåll och akustik.
Trafikverket.
Luleå tekniska universitet, Drift, underhåll och akustik.ORCID iD: 0000-0001-8111-6918
Number of Authors: 4
Responsible organisation
2016 (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. 230, no 2, p. 611-622Article in journal (Refereed) Published
Abstract [en]

In the past, railway maintenance actions were usually planned based on the knowledge and experience of the infrastructure owner. The main goal was to provide a high level of safety, and there was little concern about economic and operational optimisation issues. Today, however, a deregulated competitive environment and budget limitations are forcing railway infrastructures to move from safety limits to cost-effective maintenance limits to optimise operation and maintenance procedures. By so doing, one widens the discussion to include both operational safety and cost-effectiveness for the whole railway transport system. In this study, a cost model is proposed to specify the cost-effective maintenance limits for track geometry maintenance. The proposed model considers the degradation rates of different track sections and takes into account the costs associated with inspection, tamping, delay time penalties, and risk of accidents due to poor track quality. It draws on track geometry data from the Iron Ore Line (Malmbanan) in northern Sweden, used by both passenger and freight trains, to estimate the geometrical degradation rate of each section. The methodology is based on reliability and cost analysis and facilitates the maintenance decision-making process to identify cost-effective maintenance thresholds.

Place, publisher, year, edition, pages
2016. Vol. 230, no 2, p. 611-622
National Category
Other Civil Engineering
Research subject
FOI-portföljer, Strategiska initiativ
Identifiers
URN: urn:nbn:se:trafikverket:diva-5937DOI: 10.1177/0954409714542859ISI: 000368600500021Scopus ID: 2-s2.0-84954349492Local ID: c30499d7-d8e8-4d9d-97fc-97cf6ce6eccfOAI: oai:DiVA.org:trafikverket-5937DiVA, id: diva2:1740950
Projects
JVTC
Funder
Swedish Transport Administration, TRV 2011/58769
Note

Validerad; 2016; Nivå 2; 20140811 (andbra)

Available from: 2016-09-29 Created: 2023-03-02

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Arasteh khouy, ImanLarsson-Kråik, Per-OlofKumar, Uday

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Citation style
  • apa
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  • de-DE
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