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Structural Engineering and Mechanics Volume 23, Number 5, July30 2006 , pages 563-577 DOI: https://doi.org/10.12989/sem.2006.23.5.563 |
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Ho-Ju Jang, Seong-Yeon Seo and Young-Sung Yang
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| Abstract | ||
| This study involves a series of experiments on the buckling strength of eccentrically compressed cold-formed stainless steel square hollow-section columns. The principal parameters in this study are slenderness ratios (Lk/r = 30, 50, 70) and magnitude of eccentricity e (0, 25, 50, 75, 100 mm) on the symmetrical end-moment. The objectives of this paper are to obtain the buckling loads by conducting a series of experiments and to compare the behavior of the eccentrically compressed cold-formed stainless steel square hollow-section columns with the results of the analysis. The ultimate buckling strength of the square-section members were determined with the use of a numerical method in accordance with the bending moment-axial force (M-P) interaction curves. The behavior of each specimen was displayed in the form of a moment-radian (M- ) relationship. The numerically obtained ultimate-buckling interaction curves of the beam columns coincided with the results of the experiments. | ||
| Key Words | ||
| stainless steel; square hollow sections; axial force; symmetrical end-moment; slenderness ratio; magnitude of eccentricity; moment-axial force (M-P) interaction curves. | ||
| Address | ||
| Ho-Ju Jang; Chosun University, 375 Seosuk-dong Dong-gu, Gwangju 501-759, Korea Seong-Yeon Seo; Halla University, San 66, Heungup-myon, Wonju-shi, Kangwon-do, Korea Young-Sung Yang; Chosun University, 375 Seosuk-dong Dong-gu, Gwangju 501-759, Korea | ||