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http://dx.doi.org/10.7781/kjoss.2013.25.2.131

The Experimental Study on the Resistance Forces and the Failure Temperatures of H-Shaped Steel Compressive Members by Elevated Temperatures  

Choi, Hyun Sik (Dept. of Architecture, Keimyung University)
Kang, Seong Deok (Hynudai Architects & Engineers Assoc.)
Kim, Jae Eok (POSCO A&C., Keimyung University)
Publication Information
Journal of Korean Society of Steel Construction / v.25, no.2, 2013 , pp. 131-139 More about this Journal
Abstract
The object of this paper is to perform the experiments to investigate the relationship of the resistance forces and the failure temperatures on the failure behaviors of H-shaped steel compressive members. H-shaped members(SS400) were used for the test models and the tests for the elevated temperatures were performed by ISO 834 in FILK(Fire Insurers Laboratories of Korea). The local, overall buckling stresses and a yielding stresses for the failure temperatures were compared with the compressive stresses for the loading forces of test models, the yielding strength and elastic modulus reduction factor of the steel at a high temperature were based on the criteria of the EC3(Eurocode 3) Part1.2(1993). The slenderness ratio was fixed by 45.4 and the compressive forces corresponded with 50%, 70% and 80% of the yielding forces at the normal temperatures were chosen for the loading forces of the test models. The failure temperatures of the test models were investigated under three kinds of loading conditions. It was known that the resistance forces have come close to the yielding forces, not the elastic buckling loads evaluated by EC3 at the failure temperatures obtained from the tests which are related to the failure temperatures and the loading stresses.
Keywords
overall buckling; local buckling; yielding strength; ISO 834 standard fire; fire resistance test; failure temperature;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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