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Viscoelastic Response Modelling of a Pavement under Moving Load
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology. University of Iceland.
2016 (English)In: Transportation Research Procedia, 2016, Vol. 14, p. 748-757Conference paper, Published paper (Refereed)
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.

Place, publisher, year, edition, pages
2016. Vol. 14, p. 748-757
Keywords [en]
Mathematical model, Viscoelasticity, Flexible pavement, Load, Dynamics, Measurement, Stress, Strain, Temperature, Variability
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 32 Road: Pavement design
Identifiers
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
Conference
6th European Transport Research Conference (TRA2016) - Moving Forward Innovative Solutions for Tomorrow's Mobility PGE Narodowy, Warsaw, Poland - 18-21 April 2016
Available from: 2016-11-17 Created: 2016-11-03 Last updated: 2016-11-17Bibliographically approved

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Ahmed, Abubeker WErlingsson, Sigurdur

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf