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An investigation on the stress transfer in concrete beams bonded with FRP plates

Research output: Contribution in Book/Report/ProceedingsConference contribution

Published

Publication date2005
Host publicationBond Behaviour of FRP in Structures: Proceedings of the International Symposium BBFS 2005
EditorsJF Chen, JG Teng
Place of publicationHONG KONG
PublisherIIFC SECRETARIAT
Pages183-188
Number of pages6
ISBN (Print)9623675062
Original languageEnglish

Conference

ConferenceInternational Symposium on Bond Behaviour of FRP in Structures
CityHong Kong
Period7/12/059/12/05

Conference

ConferenceInternational Symposium on Bond Behaviour of FRP in Structures
CityHong Kong
Period7/12/059/12/05

Abstract

Strengthening of concrete beams by the external plate bonding technique has become an increasingly important research area over the last two decades, especially with the increasing applications of the advanced fibre reinforced composites. Unlike the un-strengthened beams, the composite structure shows an undesirable failure of plate debonding. It has been well recognized that the central to this failure mode is the stress concentration at the plate end. This paper reports a novel interfacial stress formulation for the FRP bonded RC beams subjected to arbitrary loadings. It is featured as a compact formulation with improved accuracy. Numerical solutions are given to compare the simplified solutions with those obtained from more rigorous formulations and alternative solutions