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Analysis of Nonlinear Viscoelastic Properties of Asphalt Mixtures

Huang, Chien-Wei / Masad, Eyad / Muliana, Anastasia H. / Bahia, Hussain

This study presents characterization of the nonlinear viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using the Schapery nonlinear viscoelastic model. This model is employed to describe experimental measurements of two asphalt mixes under several combined temperatures and strain levels. The master curve is created for each strain level using time temperature superposition principle (TTSP) with a reference temperature of 40°C. The measurements at strain levels higher than 0.01% are used to determine the nonlinear viscoelastic parameters in the model. The FE model with the calibrated time-dependent and nonlinear material parameters is used to simulate the creep experimental tests, and good predictions are shown.

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Analysis of Nonlinear Viscoelastic Properties of Asphalt Mixtures

Huang, Chien-Wei / Masad, Eyad / Muliana, Anastasia H. / Bahia, Hussain

This study presents characterization of the nonlinear viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using the Schapery nonlinear viscoelastic model. This model is employed to describe experimental measurements of two asphalt mixes under several combined temperatures and strain levels. The master curve is created for each strain level using time temperature superposition principle (TTSP) with a reference temperature of 40°C. The measurements at strain levels higher than 0.01% are used to determine the nonlinear viscoelastic parameters in the model. The FE model with the calibrated time-dependent and nonlinear material parameters is used to simulate the creep experimental tests, and good predictions are shown.

Analysis of Nonlinear Viscoelastic Properties of Asphalt Mixtures

Huang, Chien-Wei / Masad, Eyad / Muliana, Anastasia H. / Bahia, Hussain

This study presents characterization of the nonlinear viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using the Schapery nonlinear viscoelastic model. This model is employed to describe experimental measurements of two asphalt mixes under several combined temperatures and strain levels. The master curve is created for each strain level using time temperature superposition principle (TTSP) with a reference temperature of 40°C. The measurements at strain levels higher than 0.01% are used to determine the nonlinear viscoelastic parameters in the model. The FE model with the calibrated time-dependent and nonlinear material parameters is used to simulate the creep experimental tests, and good predictions are shown.

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Title:

Analysis of Nonlinear Viscoelastic Properties of Asphalt Mixtures

Contributors:

Huang, Chien-Wei (author) / Masad, Eyad (author) / Muliana, Anastasia H. (author) / Bahia, Hussain (author)

Conference:

Geo-Denver 2007 ; 2006 ; Boulder, Colorado, United States

Published in:

Analysis of Asphalt Pavement Materials and Systems ; 64-72

Publication date:

2007-08-28

ISBN:

9780784471920 , 9780784409244

DOI:

https://doi.org/10.1061/40924(308)6

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Mixing , Methodology , Construction materials , Design , Viscoelasticity , Asphalts , Finite element method , Pavements , Asphalt pavements , Mixtures

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