Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
An Analitical Study on the Strength of Slender Filled Steel Tubular Columns (Comparison of Compressive Strength between Eccentric Axial Compression and 3 - Point Bending with Axial Compression)
Shigeki ITOHHaruhito OKAMOTOHiroumi SHIMOKAWA
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1995 Volume 2 Issue 5 Pages 59-65

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Abstract

Strength of slender composite columns subjected to axial force and bending moment is usually calculated as reduced strength from full plastic strength depended on slenderness ratio. In order to have the maximum strength of such columns, eccentric axial compression test mainly have been conducted. But actual distribution of bending moment of a column during earthquake is often different from the distributionunder such experimental loading condition. In this paper, the effects of the moment distributions or loading conditions on the strength of the composite slender columns are calculated by analytical procedure(CDC method). Comparison between experiments and calculations and between loading conditions are investigated and, it is concluded that nominal bending moment of 3-points bending condition is about 10-50 % higher than eccentric axial compression.

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© Japanese Society of Steel Construction
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