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Tillståndsuppföljning av observationssträckor: datainsamling, lägesrapport 2009-12
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.
2010 (Swedish)Report (Other academic)Alternative title
Monitoring of long term pavement performance (LTPP) : progress report, December 2009 (English)
Abstract [sv]

The objective of this project is to collect and deliver high quality road data primarily for the development of performance prediction models. The monitoring of the LTPP sections started in 1984 on commission of the Swedish Road Administration. The aim is primarily to focus on road deterioration caused by heavy traffic. The project started with a limited amount of sections but the number, both active and inactive, has increased to 665 sections distributed over 67 sites. Budget restrictions in 2000 resulted in a decrease in monitoring by 25%. In 2008 there were still 341 active LTPP sections distributed over 36 sites. Road data from this project has been used in the development of flexible pavement models for predicting the cumulative number of load applications to the initiation of cracking and for predicting crack propagation. Crack initiation was defined as the first appearance of cracking in the wheel paths. The models were created using the same approach applied to the development of crack models used in the PARIS (Performance Analysis of Road Infrastructure) project carried out within the 4th European Framework Programme Road Transport 1996-1998.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2010. , 33 p.
VTI notat, 1-2010
Keyword [en]
Condition survey, Inspection, Damage, Deterioration, Cracking, Rutting, Evenness, Bearing capacity, Flexible pavement, Follow up study, Data base
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 33 Road: Surfacing; 30 Road: Highway design, 32 Road: Pavement design
URN: urn:nbn:se:vti:diva-1713OAI: diva2:670426
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2015-01-23Bibliographically approved

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Göransson, Nils-Gunnar
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