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Hysteresis Performance of CFT Columns subjected to Low Axial Force and Cyclic Lateral Loads  

Choi, Sung Mo (서울시립대학교 건축공학과)
Kang, Suk Bin (석산구조기술사사무소)
Kim, Dae Joong (삼성물산)
Publication Information
Journal of Korean Society of Steel Construction / v.15, no.2, 2003 , pp. 207-217 More about this Journal
Abstract
The Concrete Filled Steel Tube (M) Column has excellent structural capacities that are in accordance with the interaction effect between the steel tube and concrete. CFT structure has been focussed on a struc tural system for high-rise buildings. The purpose of this study is to evaluate the strength and deformation capacities of CFT columns that are subject to constant axial and cyclic lateral load. The test parameters are diameters to the thickness ratio of the steel tube, axial load ratios, and the shapes of the tube. Total eighteen specimens were fabricated to clarify the energy absorption capacity of the CFT columns. Experimental results were summarized for their ultimate strengths and deformation capacities.
Keywords
CFT Column; Deformation Capacity; Diameter to Thickness Ratio; Axial Load Ratio;
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