Research Progress of Bond Slip at The Interface of FRP Bars and Concrete

Yan Wang; Jingsheng Qiao

doi:10.54097/7s3rba19

Authors

Yan Wang
Jingsheng Qiao

DOI:

https://doi.org/10.54097/7s3rba19

Keywords:

FRP rebar; Concrete structure; Bond behavior; Constitutive relation.

Abstract

The bond between FRP bars and concrete is the key to the strength and durability of FRP reinforced concrete members, and it is the decisive factor to make full use of the light, high strength and corrosion resistance of FRP bars. In this paper, according to the research results of bond properties of FRP bars and concrete at home and abroad, the paper analyzes four aspects, including test method of bond properties of FRP bars, bond mechanism, factors affecting bond properties of FRP bars and bond slip constitutive relationship model. The shortcomings of the existing research results and the problems to be solved are analyzed and compared comprehensively. At last, some references and suggestions are provided for the further research and application of FRP reinforced concrete structures.

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