Design Philosophy Issues of Fiber Reinfored Polymer Reinforced Concrete Structures
Publication: Journal of Composites for Construction
Volume 6, Issue 3
Abstract
The conventional design philosophy for reinforced concrete (RC) relies heavily on the ductile properties of steel. These ductile properties are used as a “fuse” and conceal the large uncertainty in the determination of modes of failure caused directly by concrete. Current design guidelines for fiber reinforced polymer (FRP) RC structures have inappropriately adopted the same design philosophy used for steel RC, leading either to the adoption of conservative safety factors or reduced structural reliability. A reliability-based analysis of FRP RC beams shows that the current, very conservative partial safety factors for FRP reinforcement on their own do not influence the structural safety of overreinforced concrete elements. Proposals are made for the modification of the material partial safety factors to achieve target safety levels.
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Information & Authors
Information
Published In
Journal of Composites for Construction
Volume 6 • Issue 3 • August 2002
Pages: 154 - 161
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Jul 3, 2001
Accepted: Feb 22, 2002
Published online: Jul 15, 2002
Published in print: Aug 2002
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