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Study on the Ultimate Strength of Gusset Plate-Circular Hollow Section(CHS) Joint  

Kim, Woo-Bum (공주대학교 건축공학과)
Shin, Kyung-Jae (경북대학교 건축.토목공학부)
Choi, Hyung-Hwa (공주대학교 건축공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.23, no.5, 2011 , pp. 523-533 More about this Journal
Abstract
The demand for the circular hollow section (CHS) has been increasing due to its structural advantage in long-span structures and high-rise buildings. There are not enough researches on the CHS structure, though. The behavior of the gusset plate CHS joint, to predict the ultimate strength, is not easy to predict because the load deflection curve does not show consistency. Therefore, in this study, experiments and finite element analysis (FEA) were carried out to determine the ultimate strength according to the proposed ultimate deformation limit. Finally, a reasonable ultimate strength formula was proposed through comparisons with other design guides.
Keywords
gusset plate-CHS joint; ultimate deformation; ultimate strength;
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