Thermal Expansion Coefficient Prediction of Asphalt Mixture with the Eshelby Equivalent Inclusion Theory

Jun Wu

doi:10.4028/www.scientific.net/AMM.584-586.1071

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 584-586Thermal Expansion Coefficient Prediction of...

Thermal Expansion Coefficient Prediction of Asphalt Mixture with the Eshelby Equivalent Inclusion Theory

Abstract:

Asphalt mixture was considered as a two-phase composite, in which coarse aggregates are embedded into asphalt mastic matrix, namely a mix of fine aggregates and asphalt, so that a theoretical framework was proposed to correlate its effective thermal expansion coefficient with its components and microstructures based on the Eshelby equivalent inclusion theory. A four-parameter model with the experimentally determined parameters was used to characterize the viscoelastic constitutive behavior of asphalt mastic. The thermal expansion coefficient prediction of asphalt mixture was conducted and compared with the predictions by the sparse method and the self-consistent method. It was revealed that the prediction from the proposed theoretical framework is reasonable.

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Periodical:

Applied Mechanics and Materials (Volumes 584-586)

Pages:

1071-1075

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.584-586.1071

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Online since:

July 2014

Authors:

Jun Wu*

Keywords:

Asphalt Mixture (AC), Eshelby Equivalent Inclusion Theory, Thermal Expansion Coefficient

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