Rutting Prediction of Asphalt Pavement Layer Using Model
Publication: Journal of Transportation Engineering
Volume 130, Issue 5
Abstract
Past research has shown that the concept of (cohesion and angle of friction) can be applied for asphalt paving mix design. It has also been established that the model is able to analyze the behavior of asphalt pavement under load, thereby permitting the incorporation of mechanistic or semimechanistic distress models into asphalt mix design as well as pavement thickness design. Therefore the concept offers a useful basis for an integrated procedure for asphalt paving mix design and asphalt pavement design. This paper further illustrates the usefulness of the based approach by developing a rutting prediction model based on the model. The proposed rutting prediction model employs the widely adopted expression of power relationship as the basic equation for prediction of cumulative damage. The basic expression is modified by incorporating the following effects: (1) the effect of load through a stress ratio computed using the concept, (2) the effect of temperature, and (3) the effect of loading speed. The applicability of the model is demonstrated using laboratory wheel tracking tests on three different mix types. A proposed procedure of applying the rut depth prediction model for estimation of rut depths in in-service pavements is also outlined.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 130 • Issue 5 • September 2004
Pages: 675 - 683
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Jan 14, 2003
Accepted: Nov 24, 2003
Published online: Aug 16, 2004
Published in print: Sep 2004
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