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Corresponding Author

Ahmed, Alshimaa

Subject Area

Civil and Environmental Engineering

Article Type

Original Study

Abstract

The aim of the present work is to investigate the effect of the detailed arrangement and dimensions of the lacing bars on the actual value of the critical buckling load of a Laced Column having four legs. The critical buckling load is calculated in order to reach for the best arrangement of lacing systems to use them as a one main structural element and main component for skeleton used for covering a long span systems. The study is carried out for four different forms of lacing arrangement and two different forms of restraints taking the effect of inertia of the gusset plate for a laced column into account when calculating its critical buckling load. A computer program constructed by [1] which is based upon the minimizing of total potential energy by the conjugate gradient technique and the method of Stiffness Curve created by the author is used for this study. This good preliminary technique is examined using Sap2000 program and the results are in a good agreement.

Keywords

Laced Column; Critical Buckling Load; Gusset Plate; Euler Load

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