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Are available models reliable for predicting the FRP contribution to the shear resistance of RC beams

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Resumo:In this paper the trustworthiness of the existing theory for predicting the FRP contribution to the shear resistance of reinforced concrete beams is discussed. The most well-known shear models for EBR (External Bonded Reinforcement) are presented, commented on and compared with an extensive experimental database. The database contains the results from more than 200 tests performed in different research institutions across the world. The results of the comparison are not very promising and the use of the additional principle in the actual shear design equations should be questioned. The large scatter between the predicted values of different models and experimental results is of real concern bearing in mind that some of the models are used in present design codes.
Autores principais:Sas, Gabriel
Outros Autores:Täljsten, Björn; Barros, Joaquim A. O.; Lima, João L. T.; Carolin, Anders
Assunto:Bearing capacity Concrete beams Fiber reinforced polymers Shear strength State-of-theart reviews Fiber reinforced polymer Load bearing capacity
Ano:2009
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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