Finite-Element Modeling of Short-Term Field Response of Composite Wood-Concrete Floors/Decks
Publication: Journal of Structural Engineering
Volume 136, Issue 6
Abstract
A finite-element model (FEM) is developed to predict the load-displacement behavior of a composite wood-concrete floor/deck system under short-term loading. The interlayer connection was modeled with link elements dedicated for connection modeling. Results of past tests of two full-scale layered floor/deck specimens are employed to confirm the FEM model. The specimen had a layer of solid sawn lumber overlaid by concrete and interconnected to it with a pattern of notched shear key/anchor details. The FEM results agreed closely with the measured deflection data for the loadings considered. The efficiency of composite behavior achieved by each of those specimens is quantified by a conventional and three improved approaches based on the computer modeling and measured test results. The new approaches better capture the overall efficiency of the entire floor/deck.
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Acknowledgments
The U.S. Department of Transportation provided support for the computer simulation work via the Mountain Plains Consortium, which is federally sponsored through the University Transportation Centers program. Colorado State University provided cost share funds and use of its laboratory and computer facilities. Inter-CAD Kft. (Budapest, Hungary) provided access to the AxisVM software through its Academic Institution Grant Program.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 136 • Issue 6 • June 2010
Pages: 707 - 714
Copyright
© 2010 ASCE.
History
Received: Nov 21, 2008
Accepted: Sep 30, 2009
Published online: Oct 2, 2009
Published in print: Jun 2010
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