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Shear behaviour of open beam-to-tubular column angle connections

机译：开梁到管柱角连接的剪切特性

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摘要

Whilst the moment-rotation behaviour of typical connection configurations has been extensivelyrnexamined in previous studies, there is a relative lack of information on the performance under more generalisedrnloading conditions, particularly in relation to semi-rigid connections to tubular columns under shear loads.rnTo this end, this paper deals with the shear behaviour of open beam-to-tubular column angle connections byrnmeans of experimental and numerical investigations. The experimental set-up, connection configurations andrnmaterial properties are first introduced, followed by an overview of the results and observations from the testsrnon both blind-bolted angle connections and combined channel/angle details. The main behavioural patterns arernidentified and their effect on the connection performance is discussed. Subsequently, detailed three-dimensionalrnfinite element models are constructed by means of the nonlinear programABAQUS, and their results are validatedrnagainst the experimental data. It is shown that the FE model can accurately and efficiently simulate the overallrnbehaviour of bolted angle connections. The experimental and numerical results presented in this paper highlightrnthe main inelastic response characteristics of these forms of connection under shear loading conditions.
机译：尽管在先前的研究中已经对典型连接结构的力矩-旋转行为进行了广泛的研究，但相对缺乏关于在更普遍的载荷条件下的性能的信息，特别是在剪切载荷下与管柱的半刚性连接方面。 ，本文通过实验和数值研究的方法来处理开放式梁与管柱角连接的剪切行为。首先介绍了实验设置，连接配置和材料属性，然后概述了测试仪的结果和观察结果，包括盲角连接和组合的通道/角度细节。确定了主要的行为模式，并讨论了它们对连接性能的影响。随后，利用非线性程序ABAQUS构造了详细的三维有限元模型，并针对实验数据验证了其结果。结果表明，有限元模型能够准确，有效地模拟螺栓角连接的整体性能。本文给出的实验和数值结果突出了这些形式的连接在剪切载荷条件下的主要非弹性响应特性。

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  • 来源
    《Tubular structures XIV》|2012年|133-139|共7页
  • 会议地点 London(GB)
  • 作者

    Y. Liu; C. Málaga-Chuquitaype; A.Y. Elghazouli;

  • 作者单位

    Department of Civil and Environmental Engineering, Imperial College London, UK;

    Department of Civil and Environmental Engineering, Imperial College London, UK;

    Department of Civil and Environmental Engineering, Imperial College London, UK;

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  • 正文语种 eng
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