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Linear and nonlinear fractional hereditary constitutive laws of asphalt mixtures

Authors

Gaetano Di Mino

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GORDON AIREY gordon.airey@nottingham.ac.uk
Professor of Pavement Engineering Materials

Mario Di Paola

Francesco Paolo Pinnola

Giacomo

Davide LO PRESTI



Abstract

The aim of this paper is to propose a fractional viscoelastic and viscoplastic model of asphalt mixtures using experimental data of several tests such as creep and creep recovery performed at different temperatures and at different stress levels. From a best fitting procedure it is shown that both the creep one and recovery curve follow a power law model. It is shown that the suitable model for asphalt mixtures is a dashpot and a fractional element arranged in series. The proposed model is also available outside of the linear domain but in this case the parameters of the model depend on the stress level. © 2016 Vilnius Gediminas Technical University (VGTU) Press.

Citation

Di Mino, G., AIREY, G., Di Paola, M., Pinnola, F. P., D’Angelo, G., & LO PRESTI, D. (2016). Linear and nonlinear fractional hereditary constitutive laws of asphalt mixtures. Journal of Civil Engineering and Management, 22(7), 882-889. https://doi.org/10.3846/13923730.2014.914104

Journal Article Type Article
Acceptance Date Nov 21, 2013
Online Publication Date Jul 12, 2016
Publication Date Jul 12, 2016
Deposit Date Mar 17, 2017
Publicly Available Date Mar 17, 2017
Journal Journal of Civil Engineering and Management
Print ISSN 1392-3730
Electronic ISSN 1822-3605
Publisher Taylor & Francis Open
Peer Reviewed Peer Reviewed
Volume 22
Issue 7
Pages 882-889
DOI https://doi.org/10.3846/13923730.2014.914104
Keywords asphalt mixture; creep test; fractional calculus; mechanical models; rheology; viscoelasticity; viscoplasticity; Asphalt; Calculations; Creep; Creep testing; Curve fitting; Mixtures; Rheology; Viscoelasticity; Viscoplasticity; Constitutive law; Creep reco
Public URL https://nottingham-repository.worktribe.com/output/801266
Publisher URL https://doi.org/10.3846/13923730.2014.914104

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