Structural Response of Concrete Pavements under Moving Truck Loads
Publication: Journal of Transportation Engineering
Volume 133, Issue 12
Abstract
While there has been a great deal of research conducted on concrete pavement performance and deterioration under static loads, only very limited research has been carried out on its dynamic response. Furthermore, opinions differ as to which type of loading (static or dynamic) results in greater values of slab deflection or flexural stress. In the present study, a test section consisting of two jointed reinforced concrete pavement and two jointed plain (unreinforced) concrete pavement was constructed and tested under both quasistatic and dynamic truck loads. Truck load was allowed to wander at predetermined locations on the instrumented pavement at speeds from . Strain gauges and displacement transducers were installed along the test section to monitor the pavement responses. Time history responses of the test section were recorded and used to validate a finite-element model developed in the ANSYS platform for further sensitivity study on those parameters affecting the dynamic response of concrete pavements. Results indicate the significance of dynamic amplification in concrete pavement design.
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Acknowledgments
The original work of this study was sponsored by the Queensland University of Technology (QUT), Australia, and Rinker Australia under R&D Project RD835. The writers wish to acknowledge this support and to thank Mr. Glenn Carson for help with project planning and execution.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 133 • Issue 12 • December 2007
Pages: 670 - 676
Copyright
© 2007 ASCE.
History
Received: Nov 15, 2006
Accepted: Mar 21, 2007
Published online: Dec 1, 2007
Published in print: Dec 2007
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