Experimental study of concrete beams reinforced with hybrid bars (SFCBs and BFRP bars)

被引：0
|
作者：
Yang Yang
Ze-yang Sun
Gang Wu
Da-fu Cao
Deng Pan
机构：
[1] Yangzhou University,College of Civil Science and Engineering
[2] Southeast University,Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education
来源：
Materials and Structures | 2020年 / 53卷
关键词：
Flexural behavior; Steel fiber-reinforced polymer composite bar (SFCB); Basalt fiber-reinforced polymer (BFRP); Hybrid bars;
D O I：
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中图分类号：
学科分类号：
摘要：
This paper presents the flexural performance of new hybrid concrete beams reinforced with steel fiber-reinforced polymer composite bars (SFCBs) and basalt fiber-reinforced polymer (BFRP) bars. Ten concrete beams reinforced with hybrid SFCBs, BFRP bars, and steel bars were constructed and tested. The main parameters were the reinforcement ratio and the ratio of FRP and steel content. The new hybrid-RC beams (with SFCBs and BFRP bars) exhibited good serviceability and ductility compared to the traditional hybrid-RC beams (with steels and BFRP bars), and the proposed model can accurately predict the moment capacity, deflection and crack width of all types of hybrid-RC beams (with SFCBs, BFRP bars and steel bars) based on the experimental results and the predictions.
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