A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Bond between multidirectional laminates of CFRP and concrete
The Mechanically Fastened and Externally Bonded Reinforcement (MF-EBR) technique has been proposed for the strengthening of reinforced concrete (RC) structures. This retrofit system uses multidirectional carbon fibre reinforced polymer (CFRP) laminates fixed to concrete with epoxy adhesive and metallic anchors. With the aim of studying the bond behaviour of the MF-EBR system and compare with some existing ones, mainly the Mechanically Fastened-FRP (MF-FRP) and Externally Bonded Reinforcement (EBR), an experimental program composed by direct pullout tests was carried. The instrumentation includes the measurement of the applied pullout force and the loaded end slip. The strengthening effectiveness of the analyzed techniques (EBR, MF-FRP and MF-EBR) was investigated, as well as the influence on the bond performance of the bond length, diameter of the anchors and level of applied prestress to the anchors. The present work describes the carried-out tests and presents and analyzes the most significant obtained results.
Bond between multidirectional laminates of CFRP and concrete
The Mechanically Fastened and Externally Bonded Reinforcement (MF-EBR) technique has been proposed for the strengthening of reinforced concrete (RC) structures. This retrofit system uses multidirectional carbon fibre reinforced polymer (CFRP) laminates fixed to concrete with epoxy adhesive and metallic anchors. With the aim of studying the bond behaviour of the MF-EBR system and compare with some existing ones, mainly the Mechanically Fastened-FRP (MF-FRP) and Externally Bonded Reinforcement (EBR), an experimental program composed by direct pullout tests was carried. The instrumentation includes the measurement of the applied pullout force and the loaded end slip. The strengthening effectiveness of the analyzed techniques (EBR, MF-FRP and MF-EBR) was investigated, as well as the influence on the bond performance of the bond length, diameter of the anchors and level of applied prestress to the anchors. The present work describes the carried-out tests and presents and analyzes the most significant obtained results.
Bond between multidirectional laminates of CFRP and concrete
Coelho, Mário Rui Freitas (author) / Fernandes, Pedro Miguel Gomes (author) / Sena-Cruz, José (author) / Barros, Joaquim A. O. (author)
2012-01-01
Conference paper
Electronic Resource
English
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