A Numerical Study on the Effect of Bond Length on the Bonding Performance of FRP-Concrete Interface

Zhu Jie He; Tao Xu; Chun An Tang

doi:10.4028/www.scientific.net/AMR.268-270.857

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 268-270A Numerical Study on the Effect of Bond Length on...

A Numerical Study on the Effect of Bond Length on the Bonding Performance of FRP-Concrete Interface

Abstract:

In this paper, the bond length effect of FRP plate on bonding performance and the distribution patterns of the stress in FRP plate was investigated using 3D Realistic Failure Process Analysis (RFPA^3D) code to study the debonding mechanism of the FRP plate bonded to concrete block. Numerical simulations show that the progressive debonding of FRP plate bonded to concrete occurs in the concrete on the condition of different bond lengths can be divided into four stages: elastic-deformation stage, elastic-softening stage, elastic-softening-debonding stage and softening-debonding stage. It is also show that the interfacial bond strength and the global slip of FRP-to-concrete increase with the increase of the bond length.

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Periodical:

Advanced Materials Research (Volumes 268-270)

Pages:

857-862

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.268-270.857

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Online since:

July 2011

Authors:

Zhu Jie He, Tao Xu, Chun An Tang

Keywords:

Bond Length, Bonding Performance, Debonding, Failure Process, FRP-to-Concrete

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