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Behaviors of Hollow RC Columns with Internal Steel Tube by Hollow Ratio  

Choi, Jun-Ho (선문대학교 대학원 토목공학과)
Yoon, Ki-Yong (선문대학교 토목공학과)
Han, Taek-Hee (고려대학교 공학기술 연구소)
Kang, Young-Jong (고려대학교 사회환경시스템공학과)
Publication Information
Journal of the Korean Society of Hazard Mitigation / v.7, no.3, 2007 , pp. 1-7 More about this Journal
Abstract
The hollow RC(Reinforced concrete) column has the effect of reducing weight and materials compared to solid RC column. However, the hollow RC column shows a low ductile behavior due to brittle failure of inside concrete. To overcome this problem, the internally confined hollow reinforced concrete column has been developed. In this study, the behavior of internally confined hollow RC columns were evaluated with safety ratio, ductility, total material cost, the total weight of the pier, etc. The hollow ratio is varied from 0.50 to 0.85.
Keywords
steel tube; hollow ratio; hollow sections; confinement; hollow columns;
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