The numeric model of the properties of viscoelastic pavement layers made of asphalt concrete
Andrzej Pożarycki
Institute of Civil Engineering; Faculty of Civil and Environmental Engineering; Poznan Univesity of Technology (Poland)
https://orcid.org/0000-0002-1321-066X
Przemysław Górnaś
Institute of Civil Engineering; Faculty of Civil and Environmental Engineering; Poznan Univesity of Technology (Poland)
https://orcid.org/0000-0002-0632-4191
Abstract
Regardless of the complexity of performed analyses of pavement construction, the evidence for the high level of the real conditions rendering can be seen in the parameter values which need to be determined experimentally or through a reliable traceability of the parameters of a given model. By means of a detailed numeric analysis of a beam model, to which pure bending and periodic loading were applied, the authors determined the viscoelastic parameters of the sample HMA material. Next, the materials, defined in this way, were used for the construction of a pavement model. As a result of the juxtaposition of the calculation for the pavement model and the results of calculations performed with FWD, it was possible to confirm the convergence of the results on the level of accuracy accepted from the engineering perspective.
Keywords:
viscoelasticity, Weichert model, hot mix asphalt, numerical model of road pavementReferences
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Authors
Andrzej PożaryckiInstitute of Civil Engineering; Faculty of Civil and Environmental Engineering; Poznan Univesity of Technology Poland
https://orcid.org/0000-0002-1321-066X
Authors
Przemysław GórnaśInstitute of Civil Engineering; Faculty of Civil and Environmental Engineering; Poznan Univesity of Technology Poland
https://orcid.org/0000-0002-0632-4191
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