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Estimated lifetimes of road pavements in Sweden using time-to-event analysis
Dalarna University, School of Technology and Business Studies, Statistics.
2013 (English)Report (Other academic)
Abstract [en]

Maintenance planning of road pavement requires reliable estimates of roads’ lifetimes. In determining the lifetime of a road, this study combines maintenance activities and road condition measurements. The scope of the paper is to estimate lifetimes of road pavements in Sweden with time to event analysis. The model used includes effects of pavement type, road type, bearing capacity, road width, speed limit, stone size and climate zone, where the model is stratified according to traffic load. Among the nine analyzed pavement types, stone mastic had the longest expected lifetime, 32 percent longer than asphalt concrete. Among road types, ordinary roads with cable barriers had 30 percent shorter lifetime than ordinary roads. Increased speed lowered the lifetime, while increased stone size (up to 20 mm) and increased road width lengthened the lifetime. The results are of importance for life cycle cost analysis and road management.

Place, publisher, year, edition, pages
Borlänge: Högskolan Dalarna, 2013.
Working papers in transport, tourism, information technology and microdata analysis, ISSN 1650-5581 ; 2013:30
Keyword [en]
Time-to-event analysis, Survival analysis, Road pavements, Maintenance planning
National Category
Other Engineering and Technologies not elsewhere specified
Research subject
Complex Systems – Microdata Analysis, General Microdata Analysis - transports
URN: urn:nbn:se:du-13500OAI: diva2:678406
Available from: 2013-12-12 Created: 2013-12-12 Last updated: 2015-11-24Bibliographically approved

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Svenson, Kristin
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