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Optimisation of maintenance track possession time : A tamping case study
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- Famurewa, Stephen Mayowa (author)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Xin, Tao (author)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Rantatalo, Matti (author)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- (creator_code:org_t)
- 2013-07-26
- 2015
- English.
- In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit. - : SAGE Publications. - 0954-4097 .- 2041-3017. ; 229:1, s. 42726-
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Optimum allocation and efficient utilisation of track possession time are becoming important topics in railway infrastructure management due to increasing capacity demands. This development and other requirements of modern infrastructure management necessitate the improvement of planning and scheduling of large-scale maintenance activities such as tamping. It is therefore necessary to develop short-, medium- and long-term plans for performing tamping on a network or track section within a definite time horizon. To this end, two key aspects of infrastructure maintenance planning are considered in this paper, deterioration modelling and scheduling optimisation. An exponential deterioration function is applied to model the geometry quality of a series of 200 m segments of a 130 km line section, and an empirical model for recovery after tamping intervention is developed. These two models are subsequently used to generate a methodology to optimise a schedule for tamping intervention by minimising the total cost of intervention including the cost of track possession while geometry quality is ascertained to be within a desirable limit. The modelling considers two types of tamping interventions, preventive and corrective, with different intervention limits and tamping machines. The result of this paper suggests a tamping plan which will lead to optimum allocation of track possession time while maintaining the track geometry quality within specified limits.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Annan samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Other Civil Engineering (hsv//eng)
Keyword
- Drift och underhållsteknik
- Operation and Maintenance
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Luleå University of Technology
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