Abstract
AbstractEiffage developed a high-performance bituminous mixture known as GB5. It is based on aggregate optimization method. This paper presents the results of a research project checking whether, i...
Highlights
The complex Young’s modulus (EÃ) and the complex Poisson’s ratio are used to define a material’s three-dimensional (3D) properties for isotropic linear viscoelastic (LVE) materials
The present paper investigates the rheological properties of a new type of high-performance asphalt bituminous mixtures known as GB5 and models these properties with a two springs, two parabolic elements, one dashpot (2S2P1D) model developed at the University of Lyon/ Ecole Nationale des Travaux Publics de l’Etat (ENTPE) (Lyon, France) (Olard and Di Benedetto 2003; Di Benedetto et al 2007b)
The same trend was found for all specimens of GB3 and GB5 mixtures tested at both laboratories. These unique curves indicate that the materials were thermorheologically simple and respected the time– temperature superposition principle (TTSP)
Summary
The complex Young’s modulus (EÃ) and the complex Poisson’s ratio (νÃ) are used to define a material’s three-dimensional (3D) properties for isotropic linear viscoelastic (LVE) materials. They reported results obtained for complex Young’s modulus and complex Poisson’s ratios measured by five laboratories participating in a round-robin test within RILEM Technical Committee SIB activities. In the Black and Cole-Cole diagrams, the complex Poisson’s ratio data can be considered within the range of scattering for all GB5 samples.
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