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A study on strength of steel square tubular columns filled with high strength concrete under biaxial eccentric load  

Seo, Seong Yeon (한라대학교 건축토목공학부)
Keigo, Tsuda (일본 기타규슈시립대학 국제환경공학부)
Atsushi, Nakamura (일본 규슈대학대학원 인간환경학부 공간시스템전공)
Publication Information
Journal of Korean Society of Steel Construction / v.14, no.5, 2002 , pp. 567-576 More about this Journal
Abstract
Maximum-strength concrete-ailed steel square tubular columns were tested under concentric and biaxial eccentric load. Buckling length-section depth ratio $L_k/D$, magnitude of eccentricity e, and angle of eccentric load ${\theta}$ were selected as experimental parameters. Strength and behavior were also examined. Test results showed that the maximum strength of columns under biaxial eccentric load could be predicted using the previously proposed strength formula of columns under uniaxial eccentric load. Likewise, the behavior and maximum strength of columns could be predicted using the analysis.
Keywords
Eccentric load; Biaxial bending; Maximum strength; Filled steel square tubular columns;
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