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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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.18 No.5
- 발행연도
- 2015.1
- 수록면
- 1,083 - 1,101 (19page)
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초록· 키워드
오류제보하기
Previous theoretical equations for the shear capacity of steel beam to concrete filled steel tube (CFT) column connections vary in the assumptions for the shear deformation mechanisms and adopt different equations for calculating shear strength of each component (steel tube webs, steel tube flanges, diaphragms, and concrete etc.); thus result in different equations for calculating shear strength of the joint. Besides, shear force-deformation relations of the joint, needed for estimating building drift, are not well developed at the present. This paper compares previously proposed equations for joint shear capacity, discusses the shear deformation mechanism of the joint, and suggests recommendations for obtaining more accurate predictions. Finite element analyses of internal diaphragm connections to CFT columns were carried out in ABAQUS. ABAQUS results and theoretical estimations of the shear capacities were then used to calibrate rotational springs in joint elements in OpenSEES simulating the shear deformation behavior of the joint. The ABAQUS and OpenSEES results were validated with experimental results available. Results show that: (1) shear deformation of the steel tube dominates the deformation of the joint; while the thickness of the diaphragms has a negligible effect; (2) in OpenSEES simulation, the joint behavior is highly dependent on the yielding strength given to the rotational spring; and (3) axial force ratio has a significant effect on the joint deformation of the specimen analyzed. Finally, modified joint shear force-deformation relations are proposed based on previous theory.
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참고문헌 (22)
참고문헌 신청
Architectural Institute of Japan / 1991 / Standard for Structural Calculation of Steel Reinforced Concrete Structures / Architectural Institute of Japan
AISC / 2010 / Seismic Provisions for Structural Steel Buildings / AISC
China Engineering Construction Standardization Association / 2004 / Technical Specification for Structures with Concrete-filled Rectangular Steel Tube Members / China Engineering Construction Standardization Association
Dassault Systems Simulia Corp / 2010 / Abaqus 6.10 Analysis User’s Manual / Dassault Systems Simulia Corp
Elremaily, A. / 2001 / Design provisions for connections between steel beams and concrete filled tube columns / J. Construct. Steel Res 57(9):971~996
AISC / 2010 / Seismic Provisions for Structural Steel Buildings / AISC
China Engineering Construction Standardization Association / 2004 / Technical Specification for Structures with Concrete-filled Rectangular Steel Tube Members / China Engineering Construction Standardization Association
Dassault Systems Simulia Corp / 2010 / Abaqus 6.10 Analysis User’s Manual / Dassault Systems Simulia Corp
Elremaily, A. / 2001 / Design provisions for connections between steel beams and concrete filled tube columns / J. Construct. Steel Res 57(9):971~996
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