Modeling Mechanical Response of a Perpetual Pavement Test Road
Publication: Journal of Performance of Constructed Facilities
Volume 26, Issue 2
Abstract
In order to model perpetual pavement response, the traffic loads, pavement temperature, and mechanics responses collected from the Shandong perpetual pavement test road were used to develop axle load spectrums, temperature probability functions, and response regression models with load and temperature variables. The random sample methods of a probability distribution function were developed and the numerical simulation of parameter inputs and mechanical responses under a whole year of traffic volume and temperature cycles was realized. The results showed that the simulated mechanical response conformed to the actual response and both followed an approximate normal distribution. The response of different pavement structures was also compared. The research proves that the Monte Carlo method can help to understand the pavement mechanical response under the influence of both load and temperature. Finally, based on the simulated tensile strain distributions, the pavement fatigue life of all sections was compared.
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Acknowledgments
The authors wish to acknowledge the Shandong Highway Bureau, the China Key Laboratory of Expressway Maintenance Technology Ministry of Transportation (Jinan), the Indiana Department of Transportation, the National Center for Asphalt Technology for their support and cooperation with this study.
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Information & Authors
Information
Published In
Journal of Performance of Constructed Facilities
Volume 26 • Issue 2 • April 2012
Pages: 153 - 161
Copyright
© 2012. American Society of Civil Engineers.
History
Received: Sep 27, 2010
Accepted: May 18, 2011
Published online: May 20, 2011
Published in print: Apr 1, 2012
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