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Steel and Composite Structures   Volume 1, Number 2, June 2001, pages 231-244
FRP or steel plate-to-concrete bonded joints: Effect of test methods on experimental bond strength
J.F. Chen, Z.J. Yang and G.D. Holt(U.K)

Abstract     [Buy Article]
    The strengthening of reinforced concrete structures using externally bonded steel or advancedrnfibre reinforced plastic (FRP) composites is becoming increasingly common. A key factor affecting thernbehaviour and reliability of such strengthened structures is the bond strength between the steel or FRP platernand the concrete substrate. Several different experimental set-ups have previously been used to determinernbond strength. This paper presents a careful finite element analysis of the stress distributions in these testrnset-ups. Results show that stress distributions can be significantly different for different set-ups, for similarrnmaterials and geometry.
Key Words
    bond strength; bond test; concrete; finite element method; FRP; shear test; steel plate; strengthening; test method.
J.F. Chen, School of the Built Environment, Nottingham University, University Park, Nottingham NG7 2RD, U.K.rnZ.J. Yang?and G.D. Holt, Built Environment Research Unit, School of Engineering and the Built Environment,rnWolverhampton University, Wolverhampton WV1 1SB, U.K.

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