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Viscoelastic Response Modelling of a Pavement under Moving Load
Statens väg- och transportforskningsinstitut, Infrastruktur, INFRA, Väg- och banteknik, VBA.
Statens väg- och transportforskningsinstitut, Infrastruktur, INFRA, Väg- och banteknik, VBA. University of Iceland.
2016 (engelsk)Inngår i: Transportation Research Procedia, 2016, Vol. 14, s. 748-757Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper demonstrates the application of a generalized layered linear viscoelastic (LVE) analysis for estimating flexible pavements' structural response. The procedure is based on the Multi-Layered Elastic Theory (MLET) and the elastic-viscoelastic correspondence principle using a numerical inverse Laplace transform. A comparison of the direct layered viscoelastic responses with approximate solutions based on the elastic collocation method was also carried out. Furthermore, it is proposed to use the collocation method using LVE solutions at selected time durations in order to improve the accuracy of the elastic collocation method. The LVE collocation method was further extended for analysis of moving loads. The method was illustrated by analysing a pavement structure subjected to moving wheel loads of 30, 50, 60 and 80 kN using a Heavy Vehicle Simulator (HVS). The various responses (stresses and strains) in the pavement, at different pavement temperatures, were measured using various types of sensors installed in the structure. The LVE calculations agreed very well with the measurements.

sted, utgiver, år, opplag, sider
2016. Vol. 14, s. 748-757
Emneord [en]
Mathematical model, Viscoelasticity, Flexible pavement, Load, Dynamics, Measurement, Stress, Strain, Temperature, Variability
HSV kategori
Forskningsprogram
30 Road: Highway design, 32 Road: Pavement design
Identifikatorer
URN: urn:nbn:se:vti:diva-10998DOI: 10.1016/j.trpro.2016.05.343Scopus ID: 2-s2.0-84991670921OAI: oai:DiVA.org:vti-10998DiVA, id: diva2:1047200
Konferanse
6th European Transport Research Conference (TRA2016) - Moving Forward Innovative Solutions for Tomorrow's Mobility PGE Narodowy, Warsaw, Poland - 18-21 April 2016
Tilgjengelig fra: 2016-11-17 Laget: 2016-11-03 Sist oppdatert: 2016-11-17bibliografisk kontrollert

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