Load Transfer Characteristics of Dowel Bar System in Jointed Concrete Pavement
Publication: Journal of Transportation Engineering
Volume 135, Issue 11
Abstract
In a jointed concrete pavement, the dowel bar system and the aggregate interlock are two mechanisms for transferring wheel loads from one panel to the adjacent panel. The aggregate interlocking load transfer mechanism is effective for narrow joints while the dowel bar system works well for both narrow and wider joints. This paper examines the effects of different parameters on load transfer efficiency of a joint with the help of a three-dimensional finite-element model for the analysis of a dowel-jointed concrete pavement. The model was compared using experimental data available in the literature. The group action of the dowel bar system was also examined and useful relationships have been developed for estimation of the relative load shared by the individual dowel bars. These relationships will be useful in the design and evaluation of dowel jointed concrete pavements.
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Acknowledgments
The writers thank all the reviewers for their valuable comments and suggestions. The writers also thank Professor D. G. Zollinger, Dr. M. B. Snyder, and Dr. E. Guo for providing useful references relevant for the present study.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 135 • Issue 11 • November 2009
Pages: 813 - 821
Copyright
© 2009 ASCE.
History
Received: Mar 5, 2008
Accepted: Apr 28, 2009
Published online: May 8, 2009
Published in print: Nov 2009
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