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Type: Conference paper
Title: FRP-confined high-strength concrete in circular sections: summary of test database and a new design-oriented model
Author: Lim, J.
Ozbakkaloglu, T.
Citation: Proceedings of the 11th International Symposium on Fiber Reinforced Polymer For Reinforced Concrete Structures, FRPRCS-11, 2013 / pp.1-10
Publisher: Universidade do Minho
Publisher Place: Portugal
Issue Date: 2013
ISBN: 9789728692841
Conference Name: International Symposium on Fiber Reinforced Polymers for Reinforced Concrete Structures (FRPRCS) (26 Jun 2013 - 28 Jun 2013 : Portugal)
Statement of
J. C. Lim, T. Ozbakkaloglu
Abstract: A large experimental database that consists of 976 test results was used to investigate and quantify the factors that influence the compressive behavior of FRP-confined high-strength concrete (HSC). Analysis results of the database indicates that the confinement requirement increases significantly with an increase in concrete strength, which in turn adversely affects the observed strength enhancement through confinement. In addition, it was also observed that the hoop rupture strain of the FRP shell decreases as the concrete strength increases. A number of existing stress-strain models developed for FRP-confined HSC were assessed using the database. A close examination of the results of the model assessment has led to a number of important conclusions regarding the strengths and weaknesses of existing stress-strain models. Finally, a new design-oriented model for FRP-confined HSC that was developed on the basis of the database summarized in the paper is presented.
Rights: © UM, Guimaraes, 20l3
RMID: 0020137017
Appears in Collections:Civil and Environmental Engineering publications

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