Modeling Viscoelastic Crack Growth in Hot-Mix Asphalt Concrete Mixtures Using a Disk-Shaped Compact Tension Test
Publication: Journal of Engineering Mechanics
Volume 137, Issue 6
Abstract
The growth of viscoelastic cracks in hot-mix asphalt (HMA) concrete mixtures was simulated by using a disk-shaped compaction test. Modeling techniques, including the interconversion and continuous spectrum methods, the harmony search algorithm, and the state-variable approach, substantially enhanced the computational efficiency of the generalized J-integral. The generalized J-integral was used for determining the viscoelastic crack growth parameter on the basis of the fracture mechanics under cyclic loading conditions. This paper shows that the parameter can be used for simulating the viscoelastic crack growth in HMA concrete mixtures even under conditions of different loading magnitudes and frequencies.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 137 • Issue 6 • June 2011
Pages: 431 - 438
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Mar 25, 2010
Accepted: Dec 14, 2010
Published online: Dec 16, 2010
Published in print: Jun 1, 2011
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