Chapter
Apr 26, 2012
Advanced FRP-Wood Composites in Bridge Applications
Authors: H. J. Dagher, Ph.D., and Melanie BragdonAuthor Affiliations
Publication: Structures 2001: A Structural Engineering Odyssey
Abstract
This paper describes two technologies for reinforcing or strengthening timber bridges with Fiber-Reinforced Polymers (FRP). The first consists of reinforcing the tension side of glulam girders or decks with unidirectional FRP. This technology allows to significantly increase the flexural strength of girders, particularly when low-grade laminating stock is used. The second consists of post-tensioning stress-laminated timber decks with transverse Glass FRP (GFRP) 7-wire strands. The paper briefly describes three demonstration bridges constructed in Maine using different aspects of these technologies: (1) the Medway FRP-glulam girder bridge, (2) the Milbridge FRP-glulam deck vehicular pier and (3) the Milbridge GFRP stress-laminated deck.
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Copyright
© 2001 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Bridge decks
- Bridge design
- Bridge engineering
- Bridge management
- Bridges
- Bridges (by material)
- Bridges (by type)
- Composite bridges
- Decks
- Design (by type)
- Engineering fundamentals
- Engineering materials (by type)
- Fiber reinforced polymer
- Girder bridges
- Materials engineering
- Polymer
- Structural engineering
- Structural systems
- Synthetic materials
- Wood bridges
Authors
Affiliations
H. J. Dagher, Ph.D.
P.E.
Director, Advanced Engineered Wood Composites Center, and Professor, Dept. of Civil Engineering, University of Maine, Orono, ME 04469
Melanie Bragdon
Graduate student, Dept. of Civil Engineering, University of Maine, Orono, ME 04469
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