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Dimensioning windows for railway infrastructure maintenance: Cost efficiency versus traffic impact
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-1643-6365
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering.
2016 (English)In: Journal of Rail Transport Planning & Management, ISSN 2210-9706, E-ISSN 2210-9714, Vol. 6, no 1, 32-47 p.Article in journal (Refereed) In press
Abstract [en]

The Swedish Transport Administration is introducing a new regime, called maintenance windows, for allocating train free slots reserved for maintenance tasks on the railway infrastructure. In this paper, a model for the assessment and the dimensioning of such maintenance windows is presented, which considers marginal effects on both the maintenance cost and the expected train traffic demand. The aim is to establish quantitative measures that can be used for comparing conflicting capacity requests from infrastructure maintenance and traffic operations on railway networks. The model is demonstrated in a cost benefit analysis for a real life case study on the Swedish Northern Main Line.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 6, no 1, 32-47 p.
Keyword [en]
Maintenance planning; Cost benefit analysis; Railway infrastructure
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:liu:diva-126777DOI: 10.1016/j.jrtpm.2016.03.002OAI: oai:DiVA.org:liu-126777DiVA: diva2:916954
Projects
Efficient planning of railway infrastructure maintenance
Funder
Swedish Transport Administration, TRV 2013/55886
Available from: 2016-04-05 Created: 2016-04-05 Last updated: 2017-11-30Bibliographically approved
In thesis
1. Towards concurrent planning of railway maintenance and train services
Open this publication in new window or tab >>Towards concurrent planning of railway maintenance and train services
2016 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Efficiency in the public and freight transportation systems is of crucial importance for a society. Railways can offer high capacity and relatively low environmental impact, but require that several technical systems are tuned and operate well. Specifically there is a very tight interdependency between infrastructure and trains, which distinguishes railways from other transportation modes. Thus maintenance of all the subsystems is needed.

Railways do also have some specific and complicating properties that influence maintenance and operations: Most activities need exclusive access to the infrastructure and - due to the geographic layout, safety requirements and partitioning of the subsystems - large portions of the network will be affected by each activity. Furthermore, several organisational units and resources are involved, ranging from governments and regulatory bodies, over operators and contractors to suppliers, technical experts and work forces. Thus railway maintenance is complicated to organize and consumes large budgets.

This thesis treats the planning and scheduling problems that concern railway infrastructure maintenance and the coordination with train traffic. Mathematical methods and optimization are studied and used, with the aim of advancing the knowledge about models for solving such problems.

The thesis contains three papers and presents: (1) A survey regarding railway maintenance activities, the major planning problems and the conducted research so far; (2) A model for quantitative comparison and assessment of competing capacity requests from train operations and maintenance; (3) An optimization model for integrated scheduling of both maintenance windows and train services.

The work can be helpful for practitioners as well as researchers who want to take further steps in this interesting and challenging area. Based on the results that have been obtained, future research directions are presented that may lead towards practical use of concurrent planning of railway maintenance and train services.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2016. 50 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1746
National Category
Transport Systems and Logistics Production Engineering, Human Work Science and Ergonomics Environmental Analysis and Construction Information Technology
Identifiers
urn:nbn:se:liu:diva-128780 (URN)10.3384/lic.diva-128780 (DOI)LIU-TEK-LIC-2016 (Local ID)978-91-7685-774-8 (ISBN)LIU-TEK-LIC-2016 (Archive number)LIU-TEK-LIC-2016 (OAI)
Presentation
2016-06-09, SP34, Campus Norrköping, Linköpings universitet, Norrköping, 10:00 (Swedish)
Opponent
Supervisors
Projects
Efficient planning of railway infrastructure maintenance
Funder
Swedish Transport Administration, TRV 2013/55886
Available from: 2016-09-05 Created: 2016-05-30 Last updated: 2016-12-12Bibliographically approved

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