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首页> 外文期刊>International journal of steel structures >Ultimate shear strength of composite welded steel-aluminium beam subjected to shear load
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Ultimate shear strength of composite welded steel-aluminium beam subjected to shear load

机译：剪切载荷作用下钢铝复合焊接梁的极限抗剪强度

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摘要

This paper describes a computationally designed process to determine the Ultimate Shear Resistance (USR) of composite steel-aluminium beams subjected to shear load. Aluminium alloys are used in a variety of structural engineering applications due to their high strength/weight ratio and durability. However, the strength of aluminium alloys is reduced near the weld due to the heat of the welding process. The USR of several different cross-sectional shapes of composite beams were initially computed using a proposed design equation. A consistent nonlinear 3-D finite element model using the ANSYS software package was used to fulfil the performance criteria. The value of the USR obtained from the proposed design equation was compared with the corresponding ultimate shear stress in the web panel obtained from the F.E. model. The outcome of the proposed equation encouraged its use as a new design equation. This equation could accurately predict the USR.
机译：本文介绍了一种计算设计过程，该过程可以确定承受剪切载荷的钢铝复合梁的极限抗剪强度（USR）。铝合金具有高强度/重量比和耐用性，因此可用于各种结构工程应用。然而，由于焊接过程的热量，铝合金在焊接附近的强度降低。最初使用建议的设计方程计算出复合梁几种不同横截面形状的USR。使用ANSYS软件包的一致的非线性3-D有限元模型用于满足性能标准。从建议的设计方程式获得的USR值与从F.E.模型获得的腹板中相应的极限剪切应力进行了比较。拟议方程的结果鼓励将其用作新的设计方程。该方程可以准确地预测USR。

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