Abstract
Six international design guidelines representative of the use of externally applied fiber-reinforced polymers for strengthening reinforced concrete members are reviewed and compared. The review concerns analysis and design procedures for flexural strengthening, shear strengthening, and confinement. Specific flexural strengthening concepts reviewed include strengthening limits, environmental reduction factors, strain limits, strength reduction factors, serviceability, creep rupture and fatigue limits, end peeling and development length, and the flexural analysis and design procedure. Shear strengthening topics include wrapping schemes, strength reduction factors, reinforcement and spacing limits, strain limits, and the shear analysis and design procedure for continuous and spaced U-wrap, complete wrap, and two-sided strips. Confinement issues covered are strength reduction factors, strain and stress limits, and design and analysis procedures with consideration given to circular and square columns.
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