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首页> 外文期刊>Practice periodical on structural design and construction >Influence of Bracings on the Stability of Columns
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Influence of Bracings on the Stability of Columns

机译：支撑对立柱稳定性的影响

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摘要

This article analyzes the stability of columns composed of deformable bars, with the particular goal of studying the influence of bracings. The bars are assumed to be deformable by bending, axial forces, shearing forces, and torsion. A computer program has been developed to determine the critical loading of the structure by taking into account geometric nonlinearity. The stiffness matrix technique is used to describe the structural response in three dimensions. Global instability is considered to have been achieved when a given loading introduces singularities in the global stiffness matrix. When the critical loading has been determined, it is possible to determine global instability parameters such as effective buckling coefficients. An example is presented and compared to ANSYS results to demonstrate the potential of the process.
机译：本文分析了由可变形钢筋组成的圆柱的稳定性，其特定目的是研究支撑的影响。假定杆通过弯曲，轴向力，剪切力和扭转而可变形。通过考虑几何非线性，开发了一种计算机程序来确定结构的临界载荷。刚度矩阵技术用于描述三维结构响应。当给定的载荷在整体刚度矩阵中引入奇点时，就可以认为已经实现了整体不稳定性。确定临界载荷后，可以确定整体不稳定性参数，例如有效的屈曲系数。给出一个示例并将其与ANSYS结果进行比较，以证明该过程的潜力。

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