Discussion on Bonding Performance between FRP Bars and Concrete

2018 International Conference on Civil and Hydraulic Engineering

土木建筑工程;水利工程

Yang, Shuai^1 ; Xu, Xinsheng^1

School of Civil Engineering and Architecture, University of Jinan, 336 Nanxinzhuang West Road, Jinan, Shandong

250022, China^1

关键词: Adhesion mechanisms;    Bonding performance;    Bonding property;    Failure mechanism;    Fiber reinforced polymers;    FRP (fiber reinforced polymer) bars;    Key technologies;    Physical and mechanical properties;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/189/3/032031/pdf
DOI  :  10.1088/1755-1315/189/3/032031

学科分类：土木及结构工程学

来源: IOP

【 摘 要 】

As the physical and mechanical properties and surface shape of FRP(Fiber Reinforced Polymer) bars are quite different from those of steel bars, the bonding properties of FRP bars and concrete are lower than that of steel bars. How to effectively improve the bonding performance between FRP bars and concrete is a hot issue for scholars at home and abroad. The precondition of combining FRP bars with concrete is to ensure the cooperation between FRP bars and concrete under the action of external load. The bonding performance between FRP bars and concrete is one of the key technologies for designing, applying and popularizing this kind of structure. In this paper, based on a large amount of researches at home and abroad, the center pull test is carried out, and the adhesion mechanism, failure mechanism, influence factors of bond strength and slippage behavior between fiber reinforced polymer and concrete are studied through experiments.