Temperature Gradient and Curling Stresses in Concrete Pavement with and without Open-Graded Friction Course
Publication: Journal of Transportation Engineering
Volume 137, Issue 10
Abstract
Curling stresses of concrete pavement can be very damaging, and reducing the temperature swings would be very beneficial. This study includes a field instrumentation effort with pavement temperature sensors to quantify the thermal behavior of concrete pavement with and without an open-graded asphalt rubber friction course. The study shows a nonlinear temperature profile across slab thickness, with a large change in temperature between day and night at the top of the concrete slab, and little change at the bottom of the slab. Adding an open-graded friction course over the concrete pavement reduces the temperature fluctuation between day and night as a result of the aeration effect, which is increased by traffic. A three-dimensional (3D) finite-element analysis with a nonlinear temperature gradient shows that adding the friction course reduces the curling stresses in the summer. Furthermore, since traffic increases the aeration effect, sections without traffic show lower effect of friction course on reducing the temperature differentials between the top and bottom of the slab.
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Acknowledgments
The writers would like to acknowledge the following personnel for their valuable help in this study: Paul Burch and Ali Zareh of ADOT Materials Group; Kevin Woudenberg and Ray Galaviz of United Rentals Highway Technologies; Tom Drysdale of DBA Construction, Inc.; Dan Foley of Sunstate Equipment; the staff of FNF Construction, Inc.; and the staff and graduate students of the National Center of Excellence on SMART Innovations at Arizona State University (www.asuSMART.com), Joby Carlson, Joo Gui, Ajatshatru Patni, Ryan Evjen, Arvind Pappu, and Kiran Mohanraj.
References
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 137 • Issue 10 • October 2011
Pages: 723 - 729
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Mar 1, 2010
Accepted: Dec 20, 2010
Published online: Dec 22, 2010
Published in print: Oct 1, 2011
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