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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.77 No.6
- 발행연도
- 2021.1
- 수록면
- 745 - 751 (7page)
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초록· 키워드
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Concrete filled double skin tubular members (CFDST) consist of double concentric circular or square steel tubes with concrete filled between the two steel tubes. The CFDST members, having a hollow section inside the internal tube, are generally lighter than ordinary concrete filled steel tubular members (CFT) which have a solid cross-section. Therefore, when the CFDST members are applied to bridge piers, reduction of seismic action can be expected. The present study aims to investigate, experimentally, the behavior of CFDST stub columns with double concentric square steel tubes filled with concrete (SS-CFDST) when working under centric compression. Two test parameters, namely, inner-to-outer width ratio and outer square steel tube’s width-to-thickness were selected and outer steel tube’s width-to-thickness ratio ranging from 70 to 160 were considered. In the results, shear failure of the concrete fill and local buckling of the double skin tubes having largest inner-toouter width ratio were observed. A method to predict axial loading capacity of SS-CFDST is also proposed. In addition, the load capacity in the axial direction of stub column test on SS-CFDST is compared with that of double circular CFDST. Finally, the biaxial stress behavior of both steel tubes under plane stress is discussed.
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참고문헌 (18)
참고문헌 신청
Architectural Institute of Japan / 2008 / Recommendations for Design and Construction of Concrete Filled Steel Tubular Structures / Maruzen
Ding, F. X. / 2017 / Behavior of steel-reinforced concrete-filled square steel tubular stub columns under axial loading / Thin Wall. Struct 119:737~748
Farahi, M. / 2016 / Parametric study on the static compressive behaviour of concrete-filled double-skin sections consisting of corrugated plates / Thin Wall. Struct 107:526~542
Farahi, M. / 2017 / Effect of ultra-high strength steel on mitigation of non-ductile yielding of concrete-filled double-skin columns / Constr. Build. Mater 147:736~749
Japanese Society of Civil Engineers / 1989 / Introduction to Mathematical Models of Material Characteristics-Terminology of Constitutive Laws
Ding, F. X. / 2017 / Behavior of steel-reinforced concrete-filled square steel tubular stub columns under axial loading / Thin Wall. Struct 119:737~748
Farahi, M. / 2016 / Parametric study on the static compressive behaviour of concrete-filled double-skin sections consisting of corrugated plates / Thin Wall. Struct 107:526~542
Farahi, M. / 2017 / Effect of ultra-high strength steel on mitigation of non-ductile yielding of concrete-filled double-skin columns / Constr. Build. Mater 147:736~749
Japanese Society of Civil Engineers / 1989 / Introduction to Mathematical Models of Material Characteristics-Terminology of Constitutive Laws
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