Strengthening of R.C. beams in flexure and shear using CFRP laminate
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Published:2001
I.A.E.M. Shehata, E.C. Cerqueira, C.T.M. Pinto, L.C.D. Shehata, 2001. "Strengthening of R.C. beams in flexure and shear using CFRP laminate", FRPRCS-5: Fibre-reinforced plastics for reinforced concrete structures Volume 1: Proceedings of the fifth international conference on fibre-reinforced plastics for reinforced concrete structures, Cambridge, UK, 16–18 July 2001, Chris J. Burgoyne
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This work presents an experimental program that aims to study the behaviour of reinforced concrete beams strengthened either in shear, in flexure or in both flexure and shear by applying externally glued carbon fibre reinforced plastic (CFRP) laminates. The fibre laminates used were of the SIKA CARBODUR S512 type and had an average modulus of elasticity of about 165 GPa and ultimate tensile strength of 2800 MPa.
From the test results obtained it was possible to establish failure criteria for the strengthened beams and to propose calculation models based on the flexure theory and the truss model. The models gave good results when compared to the experimental values.
EXPERIMENTAL PROGRAM
FLEXURAL ANALYSIS OF THE STRENGTHENED BEAMS
SHEAR ANALYSIS OF THE STRENGTHENED BEAMS
CONCLUSIONS
ACKNOWLEDGEMENT
REFERENCES
