Uniaxial Experiments on Idealized Asphalt Mixes
Publication: Journal of Materials in Civil Engineering
Volume 12, Issue 3
Abstract
This paper contains details of uniaxial compression experiments on various idealized asphalt mixes with volume fractions of aggregate ranging from 40 to 85%. The compression experiments are performed over a wide range of temperatures, stresses, and strain rates. The steady-state axial behavior of the mixes has the same form as that of bitumen with the aggregate acting as a stiffener. However, the mixes with high volume fractions of aggregate dilate under a uniaxial compressive stress. The experimental results are compared with theoretical predictions of a modified version of Hashin's composite sphere model. Good agreement is observed.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 12 • Issue 3 • August 2000
Pages: 262 - 271
History
Received: Oct 18, 1998
Published online: Aug 1, 2000
Published in print: Aug 2000
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