Influencing Factor Analysis on Bond Behaviors of FRP Bars and Concrete

Yihong Hong; Xunzhi Hou; Yifei Zhu

doi:10.54097/hset.v18i.2678

Authors

Yihong Hong
Xunzhi Hou
Yifei Zhu

DOI:

https://doi.org/10.54097/hset.v18i.2678

Keywords:

FRP bars, concrete type, Bond behavior, Environmental factors, Surface shape and treatment method

Abstract

Fiber reinforced composite (FRP) bars have the advantages such as anti-corrosion, high strength and reducing the weight of components. Applying them to concrete structures instead of ordinary steel bars can improve the stability of the whole structures and enhance the corrosion resistance of the structure, therefore the application of components will expand. The bond behavior between FRP bars and concrete is an important indicator to show its working performance, hence, the researches of the bond behaviors are significance. This paper summarizes the research status of previous researches on the bond behaviors of FRP bars and concrete under different conditions. Firstly, the commonly used test methods for testing the bonding properties are introduced. Secondly, the main research results are analyzed and compared from three aspects: concrete type, FRP bar surface shape and surface treatment method, and environmental factors. Finally, the shortcomings of the existing research are expounded, and the feasible further research directions in the future are also proposed.

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