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Mechanistic modelling of HVS flexible pavement structure
Statens väg- och transportforskningsinstitut, Infrastruktur, INFRA, Väg- och banteknik, VBA.
Statens väg- och transportforskningsinstitut, Infrastruktur, INFRA, Väg- och banteknik, VBA.
2012 (engelsk)Inngår i: EPAM 2012: Malmö, Sweden, 5–7 September: 4th European pavement and asset management conference, Linköping: Statens väg- och transportforskningsinstitut, 2012, , s. 13Konferansepaper, Publicerat paper (Annet (populærvitenskap, debatt, mm))
Abstract [en]

A response model to be employed in a mechanistic-empirical pavement performance prediction model based on multilayer elastic theory has been developed. An iterative approach using a method of successive over-relaxation of stress dependency model is used to account for the nonlinear behaviour of unbound materials. Asphalt and subgrade materials are assumed as linear elastic. The response model is verified using heavy vehicle simulator (HVS) response measurements made under variety of wheel load configurations and at different pavement temperatures. The permanent deformation behaviours of the HVS structure is also modelled using mechanistic empirical approach and by employing permanent deformation prediction models. A time hardening approach has been applied to combine permanent deformation contributions from stress levels of different magnitude. The response model outputs and the predicted permanent deformations are in general in good agreement with the measurements.

sted, utgiver, år, opplag, sider
Linköping: Statens väg- och transportforskningsinstitut, 2012. , s. 13
Emneord [en]
Unbound base, Deformation, Rut, Performance, Prediction, Model (not math), Mathematical model, Flexible pavement
Emneord [sv]
Obundet bärlager, Deformation, Hjulspår, Prestanda, Förutsägelser, Modeller, Matematiska modeller, Flexibla överbyggnader
HSV kategori
Forskningsprogram
Road: Highway design, Road: Pavement design
Identifikatorer
URN: urn:nbn:se:vti:diva-5305OAI: oai:DiVA.org:vti-5305DiVA, id: diva2:674138
Konferanse
EPAM 2012: Malmö, Sweden, 5–7 September: 4th European pavement and asset management conference
Tilgjengelig fra: 2013-12-03 Laget: 2013-12-03 Sist oppdatert: 2014-06-19bibliografisk kontrollert

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