Design Recommendations for Epoxy-Coated Reinforcement


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Title: Design Recommendations for Epoxy-Coated Reinforcement

Author(s): J. Cairns, J. 0. Jirsa and S. L. McCabe

Publication: Symposium Paper

Volume: 180


Appears on pages(s): 405-430

Keywords: Anchorage; bond; deflection; epoxy coating; lapped splice; reinforcement; tesion stiffing

Date: 10/1/1998

Fusion bonded epoxy coated reinforcement (FBECR) has been developed ! to help combat problems of corrosion in reinforced concrete structures. The surface i texture of the coating is smoother than the normal mill scale surface of reinforcing bars and alters bond characteristics of the bar. Although FBECR has now been in use for more than 30 years and production Standards have been established, rules for design using the material are not well developed. CEB Task Group 2/5 is currently reviewing data on bond and structural performance of elements reinforced with FBECR with the aim of deriving recommendations for design practice which will enable structures reinforced with FBECR to achieve equivalent performance to that of structures reinforced with millscale surface ribbed bars. This paper presents proposals for amendments to the CEB-FIP Model Code 1990 for design of anchorages and splices of coated bars, and briefly reviews other aspects of structural performance influenced by the different bond characteristics of FBECR.


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