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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.39 No.4
- 발행연도
- 2021.1
- 수록면
- 367 - 381 (15page)
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초록· 키워드
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Reinforced concrete (RC) columns can be strengthened by direct fastening of steel plates around a column, forming composite actions. This method can increase both the total load bearing area and the concrete confinement stress. To predict the axial load resistance of strengthened RC columns, the equivalent passive confinement stress of the stirrups and the steel jacket should be accurately quantified, which requires the stress in the stirrups and shear force in the connections to be first obtained. In this paper, parameters, i.e., the stress ratio of the stirrups and shear force ratio of steel plate connectors are utilized to quantify the stress of the stirrups and shear force in the connections. A mechanical model for determining the stress ratio of the stirrups and shear force ratio of steel plate connectors is proposed and validated using the experimental results in a previous study. The model is found to be robust. Subsequently, a parametric study is conducted and the optimum stress ratios of the stirrups and the optimum shear force ratios of connectors are proposed for engineering designs.
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참고문헌 (31)
참고문헌 신청
Hassan Afshin / 2019 / Experimental and numerical study about seismic retrofitting of corrosion-damaged reinforced concrete columns of bridge using combination of FRP wrapping and steel profiles / Steel and Composite Structures, An International Journal 30(3):231~251
G. Campione / 2008 / Analytical model for high-strength concrete columns with square cross-section / Structural Engineering and Mechanics, An Int＇l Journal 28(3):295~316
Daniel Cusson / 1994 / High‐Strength Concrete Columns Confined by Rectangular Ties / Journal of Structural Engineering 120(3):783~804
Rajesh Prasad Dhakal / 2002 / Modeling for Postyield Buckling of Reinforcement / Journal of Structural Engineering 128(9):1139~1147
Jing Dong / 2019 / Finite element analysis and axial bearing capacity of steel reinforced recycled concrete filled square steel tube columns / Structural Engineering and Mechanics, An Int＇l Journal 72(1):43~60
G. Campione / 2008 / Analytical model for high-strength concrete columns with square cross-section / Structural Engineering and Mechanics, An Int＇l Journal 28(3):295~316
Daniel Cusson / 1994 / High‐Strength Concrete Columns Confined by Rectangular Ties / Journal of Structural Engineering 120(3):783~804
Rajesh Prasad Dhakal / 2002 / Modeling for Postyield Buckling of Reinforcement / Journal of Structural Engineering 128(9):1139~1147
Jing Dong / 2019 / Finite element analysis and axial bearing capacity of steel reinforced recycled concrete filled square steel tube columns / Structural Engineering and Mechanics, An Int＇l Journal 72(1):43~60
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