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Numerical validation of viscoelastic responses of a pavement structure in a full-scale accelerated pavement test
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Highway Engineering Laboratory. Swedish National Road and Transport Research Institute, Sweden.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Highway Engineering Laboratory. Swedish National Road and Transport Research Institute, Sweden.
2017 (English)In: The international journal of pavement engineering, ISSN 1029-8436, E-ISSN 1477-268X, Vol. 18, no 1, 47-59 p.Article in journal (Refereed) Published
Abstract [en]

This paper demonstrates the application of a generalised layered linear viscoelastic (LVE) analysis for estimating the structural response of flexible pavements. A comparison of the direct layered viscoelastic responses with approximate solutions based on the linear elastic (LE) and LVE collocation methods was also carried out. The different approaches were implemented by extending a layered elastic program with an improved computational performance. The LE and LVE collocation methods were further extended for analysis of pavements under moving loads. The methods were illustrated by analysing a pavement structure subjected to moving wheel loads of 30, 50, 60 and 80kN using a Heavy Vehicle Simulator (HVS). The various responses (stresses and strains) in the pavement, at pavement temperatures of 0, 10 and 20 degrees C, were measured using various types of sensors installed in the structure. It was shown that the approximated LVE solution based on the LE collocation method agreed very well with the measurements and is computationally the least expensive.

Place, publisher, year, edition, pages
Taylor & Francis, 2017. Vol. 18, no 1, 47-59 p.
Keyword [en]
accelerated pavement testing, Dirichlet series, elastic–viscoelastic principle, layered elastic theory, viscoelasticity
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-175039DOI: 10.1080/10298436.2015.1039003ISI: 000390882800005Scopus ID: 2-s2.0-84929238620OAI: oai:DiVA.org:kth-175039DiVA: diva2:876358
Note

QC 20151203

Available from: 2015-12-03 Created: 2015-10-09 Last updated: 2017-12-01Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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  • de-DE
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Output format
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