Characterization and performance prediction of ALF mixtures using a viscoelastoplastic continuum damage model

作者: B. Shane Underwood , Nelson Gibson , Y. Richard Kim , Murthy Guddati , Wu Rongzong

DOI:

关键词: Polymer modifiedViscoelasticityContinuum (measurement)Performance predictionViscoplasticityAsphaltMaterials scienceConstitutive equationComposite material

摘要: This paper presents an argument for the utilization of constitutive models to predict fatigue performance. The argument is made within the framework of the viscoelastoplastic continuum damage (VEPCD) model. Four asphalt concrete mixtures, each a part of an ongoing study at the Federal Highway Administration's Accelerated Loading Facility (FHWA ALF), are characterized using this model. Polymer-modified asphalt binders are used with three of the four mixtures. Comparisons of linear viscoelastic, viscoelastic damage and …

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