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Efficiency of shear strengthening of RC beams with externally bonded FRP materials – State-of-the-art in the experimental tests

Kotynia, R. ; Oller, E. ; Marí, A. ; Kaszubska, M.

Composite structures, 2021-07, Vol.267, p.113891, Article 113891 [Periódico revisado por pares]

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Título:
Efficiency of shear strengthening of RC beams with externally bonded FRP materials – State-of-the-art in the experimental tests
Autor: Kotynia, R. ; Oller, E. ; Marí, A. ; Kaszubska, M.
Assuntos: externally bonded FRP ; Failure modes ; Reinforced concrete beams ; Shear capacity ; Shear strengthening
É parte de: Composite structures, 2021-07, Vol.267, p.113891, Article 113891
Descrição: This paper presents a study of the shear capacity of reinforced concrete (RC) beams strengthened in shear with externally bonded (EB) fiber reinforced polymer (FRP) composites, based on the performance of existing published tests. The main objective of this study is to create a comprehensive overview of the performance of different shear strengthening configurations and the failure modes observed in experimental tests. In addition, the influence of the following parameters on the strengthening efficiency has been analyzed: shear span to depth ratio (a/d), existing steel transverse reinforcement ratio (ρsw), concrete strength (fck), size effect (d), longitudinal reinforcement ratio (ρsL), strengthening configurations, type of FRP: sheets or laminates (CFRP, GFRP), and FRP axial stiffness (AfEf).
Editor: Elsevier Ltd
Idioma: Inglês

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