Experimental Validation of a Shear Stud Connection between Steel Girders and a Fiber-Reinforced Polymer Deck in the Transverse Direction
Publication: Journal of Composites for Construction
Volume 9, Issue 3
Abstract
A fiber-reinforced polymer (FRP) deck-to-girder connection was evaluated for fatigue resistance and residual capacity in the transverse direction. The connection consisted of three shear studs cast into a trapezoidal cell of a FRP sandwich deck. Steel spirals were positioned around each shear stud to aid in grout confinement. Test fixturing consisted of multiple girders and tie downs to induce realistic loading of the connection due to wheel loads. The connection was fatigued according to AASHTO LRFD Specifications for ( design life) and tested for residual capacity. The connection survived fatigue testing without failure. The haunch exhibited minimal debonding and cracking. Connection capacity after one lifetime of fatigue cycles exceeded strength limit state requirements.
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Acknowledgments
The writers are grateful to DARPA for funding the experimental work cited. The insight and contributions of Pat Cassity at JMI, Dan Richards at Martin Marietta Composites, and Professor Dennis Mertz at the University of Delaware were invaluable and greatly appreciated. The writers would also like to acknowledge Douglas Eckel and Jason Pusey for their assistance in the laboratory testing.
References
American Association of State Highway and Transportation Officials (AASHTO). (1998). LRFD bridge design specifications, 2nd Ed., Washington, D.C.
Cassity, P., Richards, D., and Gillespie, Jr., J. W. (2000). “A ‘compositely acting’ FRP deck and girder system.” Proc., 17th Annual International Bridge Conf., Bridges To The Future, Pittsburgh.
GangaRoa, H. V. S., and Siva, H. R. V. (2002). “Advances in fibre-reinforced polymer composite bridge decks.” Progress Struct. Eng. Mater., 4(2), 161–168.
Moon, F. L., Eckel, D. A., and Gillespie, J. W. (2002). “Shear stud connections for the development of composite action between steel girders and FRP bridge decks.” J. Struct. Eng., 128(6), 762–770.
Information & Authors
Information
Published In
Journal of Composites for Construction
Volume 9 • Issue 3 • June 2005
Pages: 284 - 287
Copyright
© 2005 ASCE.
History
Received: Sep 3, 2003
Accepted: Oct 13, 2004
Published online: Jun 1, 2005
Published in print: Jun 2005
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