Shear Strength of Reinforced Concrete Beams Strengthened with Near Surface Mounted Steel Plates

Near surface mounted horizontal steel plates was applied to study the contribution of this strengthening method on the shear capacity of reinforced concrete beams. Specimens were nine reinforced concrete beams without stirrups consisting of three control beams and six beams strengthened with steel p...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-03, Vol.771 (1), p.12053
Main Authors: Thamrin, R, Haris, S, Zaidir
Format: Article
Language:English
Subjects:
Concrete
Failure modes
Reinforced concrete
Reinforcement
Reinforcing steels
Shear strength
Steel plates
Stirrups
Ultimate loads
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Summary:Near surface mounted horizontal steel plates was applied to study the contribution of this strengthening method on the shear capacity of reinforced concrete beams. Specimens were nine reinforced concrete beams without stirrups consisting of three control beams and six beams strengthened with steel plates. The test variables were the ratio of the longitudinal reinforcement and the position of steel plates in the vertical direction of the web side of the beam. The specimens were loaded up to failure using a four-point bending test. The contribution of steel plates on the shear capacity was observed by monitoring the ultimate load and deflection of the beams. The test results show that the shear capacity of beams strengthened with steel plates 17% to 50% higher than the control beams depending on the position of steel plates and the ratio of longitudinal reinforcement. It was also observed that the ratio of longitudinal reinforcement influences the failure mode of the beams.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/771/1/012053