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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.33 No.3
- 발행연도
- 2019.1
- 수록면
- 375 - 388 (14page)
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초록· 키워드
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This paper aims to investigate the axial load behavior and stability strength of square tubed steel-reinforced concrete (TSRC) columns. Unlike concrete filled steel tubular (CFST) column, the outer steel tube of a TSRC column is mainly used to provide confinement to the core concrete. Ten specimens were tested under axial compression, and the main test variables included length-to-width ratio (<i>L/B</i>) of the specimens, width-to-thickness ratio (<i>B/t</i>) of the steel tubes, and with or without stud shear connectors on the steel sections. The failure mode, ultimate strength and load-tube stress response of each specimen were summarized and analyzed. The test results indicated that the axial load carried by square tube due to friction and bond of the interface increased with the increase of <i>L/B</i> ratio, while the confinement effect of tube was just the opposite. Parametric studies were performed through ABAQUS based on the test results, and the feasibility of current design codes has also been examined. Finally, a method for calculating the ultimate strength of this composite column was proposed, in which the slenderness effect on the tube confinement was considered.
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참고문헌 (24)
참고문헌 신청
2016 / AISC 360, Specification for structural steel buildings / American Institute of Steel Construction
Zongping Chen / 2018 / Residual bond behavior of high strength concrete-filled square steel tube after elevated temperatures / Steel and Composite Structures, An International Journal 27(4):509~523
Ellobody, E. / 2011 / Eccentrically loaded concrete encased steel composite columns / Thin-Wall. Struct 49(1):53~65
2004 / Eurocode 4, Design of composite steel and concrete structures. Part 1.1: General rules and rules for buildings / European Committee for Standardization
Gardner, N. J. / 1967 / Structural behavior of concrete filled steel tubes / ACI J. Proceedings 64(7):404~413
Zongping Chen / 2018 / Residual bond behavior of high strength concrete-filled square steel tube after elevated temperatures / Steel and Composite Structures, An International Journal 27(4):509~523
Ellobody, E. / 2011 / Eccentrically loaded concrete encased steel composite columns / Thin-Wall. Struct 49(1):53~65
2004 / Eurocode 4, Design of composite steel and concrete structures. Part 1.1: General rules and rules for buildings / European Committee for Standardization
Gardner, N. J. / 1967 / Structural behavior of concrete filled steel tubes / ACI J. Proceedings 64(7):404~413
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