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http://dx.doi.org/10.7781/kjoss.2012.24.4.443

Structural Performance Evaluation to Centrally Compressed CFT Columns Using Seismic Rectangular Steel Tube  

Shim, Hyun-Ju (중앙대학교 건축학과)
Choi, Byong-Jeong (경기대학교 건축학과)
Lee, Eun-Taik (중앙대학교 건축학과)
Publication Information
Journal of Korean Society of Steel Construction / v.24, no.4, 2012 , pp. 443-450 More about this Journal
Abstract
In this study, This study investigates the axial load behavior of concrete-filled steel columns using seismic rectangular steel tube with the width-to-thickness and slenderness ratio. Due to cold-roll forming and cold-press forming of steel tube, the flat part and the corner part of the rectangular steel tubes are changed in the material properties compared to SN-steel plate. It was showed the tendency to increase yield strength, tensile strength and upper limit of yield ratio This phenomenon affects the nonlinear behavior after local buckling of the steel tube. Therefore, the coupon test was performed by the processing of rectangular steel tube, in order to assess forming performance. And a total of 6 CFT-columns were tested under monotonic loading condition. Main parameters were the width-thickness ratio and the slenderness ratio.
Keywords
seismic rectangular steel tube; CFT; width-thickness ratio; slenderness ratio;
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Times Cited By KSCI : 4  (Citation Analysis)
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