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http://dx.doi.org/10.7781/kjoss.2012.24.1.035

Test and Analysis on the Longitudinal Gusset Plate Connection to Circular Hollow Section (CHS) of High Strength  

Lee, Swoo-Heon (경북대학교 건축.토목공학부)
Shin, Kyung-Jae (경북대학교 건축.토목공학부)
Lee, Hee-Du (경북대학교 건축.토목공학부)
Kim, Woo-Bum (공주대학교 건축공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.24, no.1, 2012 , pp. 35-46 More about this Journal
Abstract
With the increase in the demand for high-rise buildings, the use of high-strength steel has likewise increased. Thus, it has become more necessary to study the resistance force of the high-strength hollow structural section (HSS) joint of 600MPa. Additionally, the current design equation in Korea limits maximum yield stress at 360MPa in the case of HSS. In other words, since the current specification does not apply to HSS of 600MPa, this study aims to investigate the applicability of design equations as well as examine the behavior of the connection through the experiment and finite element analysis (FEA) of the plate-tube connection of 600MPa. In particular, this paper presents the behavior of joints with the gusset plates welded in the longitudinal direction of the circular hollow section (CHS) when the joints are subjected to lateral force. Comparing design equations with the results of FEA and the test, existing design equations are underestimated to be 56~79% in the case of high-strength materials.
Keywords
high-strength; circular hollow section; longitudinal gusset plate; connection; design equation;
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