Assessing the Potential Cost Savings of Introducing the Maintenance Option of 'Economic Tyre Turning' in Great Britain Railway Wheelsets

Antonio Ramos Andrade, Julian Stow

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This paper assesses the potential cost savings of introducing a maintenance option known as ‘Economic Tyre Turning’ (ETT) in railway wheelset maintenance in Great Britain. It first develops a life-cycle cost model and puts forward a Monte Carlo simulation procedure to assess the life-cycle costs of different maintenance strategies, including ETT. This Monte Carlo simulation procedure samples from statistical degradation models that estimate the evolution of wear and damage trajectories of different wheelsets, and the maintenance impact of wheel turning in the loss of diameter in a more realistic manner by controlling random effects related to unit, vehicle and month of measurement. The main findings suggest that ETT may provide potential savings of around 0.8% up to 4.4% when compared to a simple wheelset renewal strategy, and between 2.0% and 4.7% cost savings when ETT is used in association with more complex strategies.
LanguageEnglish
Pages317-325
Number of pages9
JournalReliability Engineering and System Safety
Volume168
Early online date25 May 2017
DOIs
Publication statusPublished - Dec 2017

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Tires
Economics
Costs
Life cycle
Wheels
Trajectories
Wear of materials
Association reactions
Degradation
Monte Carlo simulation

Cite this

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title = "Assessing the Potential Cost Savings of Introducing the Maintenance Option of 'Economic Tyre Turning' in Great Britain Railway Wheelsets",
abstract = "This paper assesses the potential cost savings of introducing a maintenance option known as ‘Economic Tyre Turning’ (ETT) in railway wheelset maintenance in Great Britain. It first develops a life-cycle cost model and puts forward a Monte Carlo simulation procedure to assess the life-cycle costs of different maintenance strategies, including ETT. This Monte Carlo simulation procedure samples from statistical degradation models that estimate the evolution of wear and damage trajectories of different wheelsets, and the maintenance impact of wheel turning in the loss of diameter in a more realistic manner by controlling random effects related to unit, vehicle and month of measurement. The main findings suggest that ETT may provide potential savings of around 0.8{\%} up to 4.4{\%} when compared to a simple wheelset renewal strategy, and between 2.0{\%} and 4.7{\%} cost savings when ETT is used in association with more complex strategies.",
keywords = "Maintenance, Railways, Life-cycle costs, Monte Carlo simulation, Wheelsets",
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