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Author(s): J. L. Esteves
P. Vieira
A. T. Marques
Title: Fatigue Behaviour of Reinforced Concrete Beam Strengthened With a CFRP Reinforced System
Issue Date: 2004
Abstract: The flexural strengthening and rehabilitation of reinforced concrete elements, with CFRP reinforced systembased in unidirectional composites, exhibit superior fatigue performance to that of steel.Previous research has [1] shown that the dominant factor in the fatigue of FRP-strengthened beams is the fatigueof the steel rebars structure.For the correct understanding of the fatigue behaviour of CFRP-strengthened beams considering ageing effects, areduce scale beam experimental testing programme was implemented in the scope of a research and developmentproject POCTI/36059/ECM/2000 Behaviour and Design of Concrete Structures Strengthened with FRPConsidering Ageing Effects, supported by Fundação para a Ciência e Tecnologia, Portugal.The CFRP reinforced system (unidirectional composite strips) has been calculated to be able to double the staticultimate load of the reinforced concrete beam. The flexural fatigue behaviour of the beams was analysed,utilising an Instron servo-hydraulic four points bending apparatus testing, and different load parameters.
Subject: Ciências Tecnológicas, Ciências da engenharia e tecnologias
Technological sciences, Engineering and technology
Scientific areas: Ciências da engenharia e tecnologias
Engineering and technology
Source: 11th European Conference on Composite Materials - ECCM11
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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