Open AccessThe numeric model of the properties of viscoelastic pavement layers made of asphalt concrete
Author(s) -
Andrzej Pożarycki,
Przemysław Górnaś
Publication year - 2014
Publication title -
budownictwo i architektura
Language(s) - English
Resource type - Journals
eISSN - 1899-0665
pISSN - 2544-3275
DOI - 10.35784/bud-arch.1818
Subject(s) - asphalt pavement , viscoelasticity , deflection (physics) , asphalt , structural engineering , asphalt concrete , material properties , computer science , geotechnical engineering , materials science , engineering , composite material , physics , optics
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.