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首页> 外文期刊>International journal of structural stability and dynamics >LATERAL BUCKLING OF THE STRUTS IN BEAM STRING STRUCTURES CONSIDERING THE LAYOUT OF STRINGS
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LATERAL BUCKLING OF THE STRUTS IN BEAM STRING STRUCTURES CONSIDERING THE LAYOUT OF STRINGS

机译:考虑弦杆布局的梁弦杆结构中杆的横向屈曲

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摘要

The struts in a beam string structure (BSS) may buckle laterally under compression. The lateral buckling of the struts is determined not only by the rotational stiffness of the beam-strut joints and the length and bending stiffness of the struts, but also by the rise and lateral stiffness of the beam, the number of struts, and the layout of strings. In this paper, the multi-strut BSS with several types of layout of strings is studied. An analytical method for estimating the lateral buckling load of the struts in BSS is proposed. Parametric studies are carried out to investigate the variation of the lateral buckling of the struts in the BSS for different string layouts. In the end, the validity of the proposed method is examined by means of numerical simulations using the geometrically nonlinear finite element method.
机译:梁柱结构(BSS)中的支柱在压缩下可能会横向弯曲。撑杆的横向屈曲不仅取决于梁-撑杆接头的旋转刚度,撑杆的长度和弯曲刚度,还取决于梁的上升和横向刚度,撑杆的数量以及布局的字符串。在本文中,研究了具有多种类型的弦布局的多支柱BSS。提出了一种估计BSS中支杆横向屈曲载荷的分析方法。进行了参数研究,以研究不同弦布局下BSS中支柱横向屈曲的变化。最后,通过几何非线性有限元方法的数值模拟,验证了该方法的有效性。

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