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Rotation Stiffness Investigation of Spatial Joints with End-Plate Connection

机译：旋转刚度调查端板连接的空间接头

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摘要

Spatial joints with end-plate connections show significant spatial coupling effects under spatial loading. Mechanical behaviour and failure modes of these spatial joints differ from those of planar joints. This study involved experiments and finite element analyses with respect to planar joints with end-plate connections under static load. The numerical results agreed well with the experimental data, and this verified the adequacy of the finite element analyses. Then, finite element models of the spatial interior joint, exterior joint, and corner joint were established to analyse the difference between the mechanical behaviour of spatial joints and planar joints. The component method was used to analyse components contributing to the initial stiffness of spatial joints. An initial rotation stiffness calculation model of spatial joints was proposed based on the deformation of joints. The findings indicated that results of the calculation models were in good agreement with those of the finite element analyses, and this proved that the calculation model proposed in this study could act as a reference method.
机译：具有端板连接的空间接头显示出在空间负载下的显着的空间耦合效果。这些空间关节的机械行为和故障模式不同于平面接头。本研究涉及实验和有限元在静载荷下具有端板连接的平面接头分析。数值结果与实验数据很好，这验证了有限元分析的充分性。然后，建立了空间内部接头，外部接头和角接头的有限元模型，以分析空间关节和平面接头的力学行为之间的差异。该组分方法用于分析有助于空间关节初始刚度的组分。基于关节变形，提出了空间关节初始旋转刚度计算模型。结果表明，计算模型的结果与有限元分析的结果吻合良好，这证明了本研究中提出的计算模型可以作为参考方法。

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  • 来源
    《Advances in civil engineering》 |2019年第14期|8131052.1-8131052.15|共15页
  • 作者

    Chen Shizhe; Pan Jianrong; Wang Zhan; Zhou Chao;

  • 作者单位

    Guangdong Univ Technol Sch Civil & Transportat Engn Guangzhou 510006 Guangdong Peoples R China;

    South China Univ Technol Dept Civil Engn Guangzhou 510640 Guangdong Peoples R China|South China Univ Technol State Key Lab Subtrop Bldg Sci Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Dept Civil Engn Guangzhou 510640 Guangdong Peoples R China|South China Univ Technol State Key Lab Subtrop Bldg Sci Guangzhou 510640 Guangdong Peoples R China;

    Dongguan Univ Technol City Coll Dept City & Environm Sci Dongguan 523419 Peoples R China;

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