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

机译：混凝土钢筋混凝土梁（SFCBS和BFRP棒）的实验研究

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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.
机译：本文介绍了用钢纤维增强聚合物复合棒（SFCBS）和玄武岩纤维增强聚合物（BFRP）棒加固的新型混合混凝土梁的弯曲性能。建造并测试了用杂交SFCBS，BFRP和钢筋加固的十个混凝土梁。主要参数是增强率和FRP和钢含量的比例。与传统的混合RC梁（用钢和BFRP棒）相比，新的混合式RC光束（具有SFCBS和BFRP棒）表现出良好的可维护性和延展性，并且所提出的模型可以准确地预测电量，偏转和裂缝宽度基于实验结果和预测，所有类型的混合式RC光束（用SFCBS，BFRP棒和钢筋）。

著录项

  • 来源
    《Materials and structures》 |2020年第4期|77.1-77.15|共15页
  • 作者

    Yang Yang; Ze-yang Sun; Gang Wu; Da-fu Cao; Deng Pan;

  • 作者单位

    College of Civil Science and Engineering Yangzhou University Yangzhou 225127 China;

    Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education Southeast University Nanjing 210096 China;

    Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education Southeast University Nanjing 210096 China;

    College of Civil Science and Engineering Yangzhou University Yangzhou 225127 China;

    College of Civil Science and Engineering Yangzhou University Yangzhou 225127 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Flexural behavior; Steel fiber-reinforced polymer composite bar (SFCB); Basalt fiber-reinforced polymer (BFRP); Hybrid bars;

    机译：弯曲行为;钢纤维增强聚合物复合棒（SFCB）;玄武岩纤维增强聚合物（BFRP）;混合酒吧;

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