Behavior of Thin‐Walled Steel Box Columns Under Biaxial Loading
Publication: Journal of Structural Engineering
Volume 115, Issue 12
Abstract
Ultimate strength tests on welded thin‐walled steel box columns simply supported at the ends and subjected to biaxial loading are reported. A series of 28 large‐scale box columns of square and rectangular cross section were tested to failure. The parameters that were varied include plate slenderness ratio, column slenderness ratio, cross‐sectional shape, and eccentricity of loading. A description of the specially built test rig along with end fixtures and experimental procedures are also presented. Extensive measurements of welding residual stresses and initial column deflections were made. Stub‐column tests were also carried out. The test results show that the ultimate load‐carrying capacity of columns dropped with an increase in the plate slenderness ratio and an increase in the load eccentricity. The experimental failure loads of the tested columns are compared with the corresponding theoretical values obtained by the method proposed earlier by the writers.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 115 • Issue 12 • December 1989
Pages: 3076 - 3094
Copyright
Copyright © 1989 ASCE.
History
Published online: Dec 1, 1989
Published in print: Dec 1989
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