Thermal Cracking of Viscoelastic Asphalt-Concrete Pavement
Publication: Journal of Engineering Mechanics
Volume 127, Issue 7
Abstract
This paper studies the thermal cracking of asphalt-concrete pavements using a semianalytical model that accounts for the multiscale nature of the thermal cracking phenomenon, the viscoelasticity of asphalt-concrete, and the frictional constraint on the pavement interface. This paper extends previous work to include the effects of asphalt-concrete viscoelasticity and to include a study of the effects of the major parameters. Numerical simulations lead to almost uniformly spaced thermal cracks, similar to field observations of real flexible pavement structures. A parameter study shows that material homogeneity, asphalt-concrete ductility, frictional constraint on the interface, and rate of cooling significantly influence the thermal cracking of asphalt-concrete pavements.
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Information & Authors
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Published In
Journal of Engineering Mechanics
Volume 127 • Issue 7 • July 2001
Pages: 700 - 709
History
Received: Jul 13, 2000
Published online: Jul 1, 2001
Published in print: Jul 2001
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