Analysis of FRP/Concrete Interface Creep Using Fractional Derivative Rheological Model

Xiao Meng Wang; Chu Wei Zhou

doi:10.4028/www.scientific.net/AMR.1079-1080.18

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1079-1080Analysis of FRP/Concrete Interface Creep Using...

Analysis of FRP/Concrete Interface Creep Using Fractional Derivative Rheological Model

Abstract:

FRPhas been widely used in the strengtheningof RC structures because of its low density, high strength and anti-corrosion. Long term performance ofFRP/concrete interface is one of the keys for its successful engineering application, and however it has notbeen well studied. In this article a fractional derivative rheological model was proposed which is able to characterize the complicated creepdeformation of epoxy FRP/concreteinterface layer with simple expression. Numerical study revealed thatinterfacial creep might lead to notable stress redistribution and largeinterfacial deformation has possibility to cause weakening of FRPstrengthening.

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Periodical:

Advanced Materials Research (Volumes 1079-1080)

Pages:

18-21

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1079-1080.18

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Online since:

December 2014

Authors:

Xiao Meng Wang, Chu Wei Zhou

Keywords:

Creep, Finite Element Analysis (FEA), Fractional Derivative, FRP/Concrete Interface

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