Load-Deflection Behavior and Failure Modes of CFRP Strengthened Reinforced Concrete Beams

Salim Al-Numan, Bayan (2016) Load-Deflection Behavior and Failure Modes of CFRP Strengthened Reinforced Concrete Beams. Eurasian Journal of Science & Engineering, 1 (2). ISSN 2414-5629

Text (Research Article) eajse.v1i2.pdf - Published Version Download (3MB)

Abstract

A total of fourteen beams, 100×150 mm in cross-section were tested in the laboratory over an effective span of 2000 mm. Two of them were used as reference beams. Twelve strengthened reinforced concrete beams were provided with externally bonded CFRP laminates at the soffit of the beam. The variables considered included number of CFRP layers, yield strength of steel reinforcement (fy) and steel reinforcement ratio (). All the beams were tested until failure. The test results showed that the loaddeflection behavior, failure modes and ultimate load carrying capacity are influenced by the ratio of steel reinforcement, the steel yield strength and the number of CFRP layers.

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