Application of Orthotropic Thin Plate Theory to Filled Steel Grid Decks for Bridges
Publication: Journal of Bridge Engineering
Volume 12, Issue 6
Abstract
Although AASHTO LRFD specifications provide moment capacity equations as an approximate design method and recommend an orthotropic plate model as the refined method for the analysis of filled grid decks, no guidelines are provided for the determination of the flexural rigidities associated with the plate analysis. This technical note briefly reviews orthotropic thin plate theory, discusses the determination of the flexural rigidities using Huber’s assumption, and applies the theory to concrete-filled steel grid decks. The accuracy of the orthotropic plate analysis is assessed by comparing it to results of an earlier finite-element analysis.
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Acknowledgments
The writers would like to thank IKG Greulich and the Delaware Research Partnership for their support of this work.
References
AASHTO. (1998). LRFD bridge design specifications, 2nd Ed., Washington, D.C.
Huang, H. (2001) “Behavior of Steel Grid Decks for Bridges.” Doctoral Dissertation, Univ. of Delaware, Newark, Del.
Lekhnitskii, S. G. (1968). Anisotropic plates, Gordon and Breach, Science Publishers, Inc., New York.
Timoshenko, S. and Woinowsky-Krieger, S. (1959). Theory of plates and shells, McGraw-Hill, New York.
Vinson, J. R., and Sierakowski, R. L. (1986). The behavior of structures composed of composite materials, Martinus Nijhoff, Dordrecht, The Netherlands.
Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 12 • Issue 6 • November 2007
Pages: 807 - 810
Copyright
© 2007 ASCE.
History
Received: Feb 21, 2006
Accepted: Jul 27, 2006
Published online: Nov 1, 2007
Published in print: Nov 2007
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