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Design philosophy issues of fiber reinforced polymer reinforced concrete structures

Pilakoutas, K., Neocleous, K. and Guadagnini, M. (2002) Design philosophy issues of fiber reinforced polymer reinforced concrete structures. Journal of Composites for Construction, 6 (3). pp. 154-161. ISSN 1090-0268


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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.

Item Type: Article
Copyright, Publisher and Additional Information: © 2002 ASCE. This is an author produced version of a paper subsequently published in Journal of composites for construction. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: Probability; Product development; Reinforced concrete; Reliability; Specifications; Structural design; Tensile strength; Tensile stress, American Concrete Institute (ACI); Design safty philosphy (DSP); Material safety; Steel reinforced concrete, Fiber reinforced plastics
Institution: The University of Sheffield
Academic Units: The University of Sheffield > University of Sheffield Research Centres and Institutes > Centre for Cement and Concrete (Sheffield)
The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Civil and Structural Engineering (Sheffield)
Depositing User: Prof Kypros Pilakoutas
Date Deposited: 31 Jan 2011 15:18
Last Modified: 08 Feb 2013 17:30
Published Version: http://dx.doi.org/10.1061/(ASCE)1090-0268(2002)6:3...
Status: Published
Publisher: American Society of Civil Engineers
Refereed: Yes
URI: http://eprints.whiterose.ac.uk/id/eprint/42813

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