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首页> 外文期刊>Magazine of Concrete Research >Study of single perfobond rib with head stud shear connectors for a composite structure
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Study of single perfobond rib with head stud shear connectors for a composite structure

机译：带有头部螺柱剪力连接器的单一性能粘结肋对复合结构的研究

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摘要

The head stud connector and the perfobond rib connector are the most common forms of ductile and rigid shear connector, respectively, but have strengths and weaknesses. This study evaluates the behaviour of a single perfobond rib with head stud shear connector that combines the advantages of both. First, a shear resistance equation is proposed to predict the strength of the single perfobond rib with head stud shear connector based on equations for the head stud connector and the single perfobond rib shear connector. Five groups of single perfobond rib with head stud shear connectors, ten push-out test specimens in total, were used to investigate the fracture failure mode, load-slip relationship, shear capacity and ductility of the specimens. Based on the test results, the influences of the parameters of the shear connector on shear capacity are discussed. The experiments show that the single perfobond rib with head stud shear connector is superior in terms of shear resistance and ductility. Shear capacity and corresponding relative slip of the specimens increase with increasing diameter of the head stud and transverse rebar, whereas ductility decreases. The accuracy of the proposed shear-capacity equation is verified by comparison with the test results.
机译：头螺栓连接器和perfobond肋骨连接器分别是韧性和刚性剪切连接器的最常见形式，但各有优缺点。这项研究评估了具有头部螺柱剪切连接器的单个渗碳肋的性能，该性能结合了两者的优点。首先，提出了一个抗剪力方程，用于基于顶头螺柱连接器和单个全粘结肋剪力连接器的方程来预测具有顶螺柱剪力连接器的单个渗透肋的强度。使用五组带有头部螺柱剪力连接件的单一性能粘结肋，总共十个推出试验样品，研究了样品的断裂破坏模式，载荷-滑动关系，剪切能力和延性。根据测试结果，讨论了剪切连接器的参数对剪切能力的影响。实验表明，具有头部螺柱剪力连接器的单个全粘结肋在抗剪强度和延展性方面均优越。试样的抗剪承载力和相应的相对滑动度随头螺栓和横向钢筋直径的增加而增加，而延展性则下降。通过与测试结果进行比较，验证了所提出的剪切承载力方程的准确性。

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  • 来源
    《Magazine of Concrete Research》 |2019年第18期|920-934|共15页
  • 作者

    Deng Wenqin; Gu Jiancheng; Liu Duo; Hu Jun; Zhang Jiandong;

  • 作者单位

    Huazhong Univ Sci & Technol, Sch Civil Engn & Mech, Wuhan, Hubei, Peoples R China;

    Nanjing Univ Technol, Coll Civil Engn, Nanjing, Jiangsu, Peoples R China;

    Jiangsu Transportat Res Inst, Nanjing, Jiangsu, Peoples R China;

    Huazhong Univ Sci & Technol, Sch Civil Engn & Mech, Wuhan, Hubei, Peoples R China;

    Huazhong Univ Sci & Technol, Sch Civil Engn & Mech, Wuhan, Hubei, Peoples R China|Nanjing Univ Technol, Coll Civil Engn, Nanjing, Jiangsu, Peoples R China|Jiangsu Transportat Res Inst, Nanjing, Jiangsu, Peoples R 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

    composite materials; joints; shear;

    机译：复合材料;关节;剪切;

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