Modelling sand-asphalt mixtures within a thermodynamic framework: Theory and application to torsion experiments

P. Ravindran, J. M. Krishnan, E. Masad, K. R. Rajagopal

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Sand-asphalt mixtures are difficult to model, partly due to their composition and partly due to the complex interplay among their constituents. This work is concerned with the development of an anisotropic model to describe the nonlinear behaviour of sand-asphalt mixtures. A general thermodynamic framework is used, which allows for the material to have multiple natural configurations corresponding to its underlying structure. The evolution of the natural configuration takes place in a thermodynamically consistent manner. The model developed is corroborated using experimental results published by Ravindran et al. (2007a,b) on torsion tests of sand-asphalt specimens over a range of conditions.

Original languageEnglish
Pages (from-to)115-131
Number of pages17
JournalInternational Journal of Pavement Engineering
Volume10
Issue number2
DOIs
Publication statusPublished - Apr 2009
Externally publishedYes

Keywords

  • Multiple natural configurations
  • Normal stress
  • Sand-asphalt
  • Torsion
  • Viscoelasticity

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