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Author(s): Pedro Delgado
Nelson Vila Pouca
António Arêde
Patricio Rocha
Aníbal Costa
Raimundo Delgado
Title: Seismic Retrofit of RC Hollow-Section Piers with Shear Failure
Issue Date: 2008
Abstract: The objective of this paper is to perform an experimental evaluation of seismic retrofit of reinforced concrete hollow piers with CFRP to prevent shear failure. The experimental campaign was carried out regarding the evaluation of: i) shear retrofit strategy efficiency and ii) the influence of different transverse reinforcement details on the shear capacity and concrete confinement. The experimental campaign has been carried out at LESE FEUP (Laboratory of Earthquake and Structural Engineering of the Faculty of Engineering of University of Porto), on a set of four RC piers with hollow section. Within the scope of this work it is also the study of design procedures for CFRP shear retrofitting and the evaluation of the associated ductility capacity improvement. Efficiency assessment is pursued for different scenarios of shear failure prevention, and the corresponding seismic response enhancement is evaluated. The most relevant experimental information is presented in the paper, as for instance the evolution of shear cracks and the illustration of the outside and inside damage pattern.
Subject: Engenharia estrutural, Engenharia civil
Structural engineering, Civil engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia civil
Engineering and technology::Civil engineering
Source: 14th World Conference on Earthquake Engineering
Document Type: Artigo em Livro de Atas de Conferência Internacional
Rights: openAccess
Appears in Collections:FEUP - Artigo em Livro de Atas de Conferência Internacional

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