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Evaluation of Micromechanical Models for Predicting Dynamic Modulus of Asphalt Mixtures
Asphalt mixtures are a composite material consisting of asphalt binder, coarse and fine aggregates, mineral filler, and air voids. The overall behavior of an asphalt mixture is dependent on the properties and volumetric fractions of its individual constituents and their interactions, which is predictable with micromechanical models. This study evaluates the applicability of four different micromechanical models for predicting dynamic modulus of asphalt mixtures. The four models included a 3-D two-layered model, a differential model, the Composite Sphere model, and the Generalized Self-Consistent (GSC) model. The evaluation shows that the predicted dynamic modulus from the differential model were reasonably close to the measured value whereas the other three models under-predicted to some degree the dynamic modulus of asphalt mixture.
Evaluation of Micromechanical Models for Predicting Dynamic Modulus of Asphalt Mixtures
Asphalt mixtures are a composite material consisting of asphalt binder, coarse and fine aggregates, mineral filler, and air voids. The overall behavior of an asphalt mixture is dependent on the properties and volumetric fractions of its individual constituents and their interactions, which is predictable with micromechanical models. This study evaluates the applicability of four different micromechanical models for predicting dynamic modulus of asphalt mixtures. The four models included a 3-D two-layered model, a differential model, the Composite Sphere model, and the Generalized Self-Consistent (GSC) model. The evaluation shows that the predicted dynamic modulus from the differential model were reasonably close to the measured value whereas the other three models under-predicted to some degree the dynamic modulus of asphalt mixture.
Evaluation of Micromechanical Models for Predicting Dynamic Modulus of Asphalt Mixtures
Shu, Xiang (author) / Huang, Baoshan (author)
GeoShanghai International Conference 2010 ; 2010 ; Shanghai, China
Paving Materials and Pavement Analysis ; 126-134
2010-05-14
Conference paper
Electronic Resource
English
Evaluation of Micromechanical Models for Predicting Dynamic Modulus of Asphalt Mixtures
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