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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.19 No.6
- 발행연도
- 2015.1
- 수록면
- 1,581 - 1,598 (18page)
이용수
초록· 키워드
오류제보하기
A concentric braced steel frame is a very efficient structural system because it requires relatively smaller amount of materials to resist lateral forces. However, primarily developed as a structural system to resist wind loads based on an assumption that the structure behaves elastically, a concentric braced frame possibly experiences the deterioration in energy dissipation after brace buckling and the brittle failure of braces and connections when earthquake loads cause inelastic behavior. Consequently, plastic deformation is concentrated in the floor where brace buckling occurs first, which can lead to the rupture of the structure. This study suggests reinforcing H-shaped braces with non-welded cold-formed stiffeners to restrain flexure and buckling and resist tensile force and compressive force equally. Weak-axis reinforcing members (2 pieces) developed from those suggested in previous studies (4 pieces) were used to reinforce the H-shaped braces in an inverted V-type braced frame. Monotonic loading tests, finite element analysis and cyclic loading tests were carried out to evaluate the structural performance of the reinforced braces and frames. The reinforced braces satisfied the AISC requirement. The reinforcement suggested in this study is expected to prevent the rupture of beams caused by the unbalanced resistance of the braces.
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참고문헌 (21)
참고문헌 신청
American Institute of Steel Construction / 2010 / Steel Construction Manual / American Institute of Steel Construction Ins
American Institute of Steel Construction / 2010 / Seismic provisions for structural steel buildings / American Institute of Steel Construction Ins
2013 / Minimum Design Loads for Buildings and Other Structures / ASCE 7-10, American Society of Civil Engineers
Chen, C. C. / 2001 / Application of low yield Strength steel on controlled plasticization ductile concentrically braced frames / Can. J. Civil Eng 28(5):823~836
Chou, C. C. / 2014 / Steel braced frames with dual-core SCBs sandwiched BRBs: Mechanics, modeling and seismic demands / Eng. Struct 72:26~40
American Institute of Steel Construction / 2010 / Seismic provisions for structural steel buildings / American Institute of Steel Construction Ins
2013 / Minimum Design Loads for Buildings and Other Structures / ASCE 7-10, American Society of Civil Engineers
Chen, C. C. / 2001 / Application of low yield Strength steel on controlled plasticization ductile concentrically braced frames / Can. J. Civil Eng 28(5):823~836
Chou, C. C. / 2014 / Steel braced frames with dual-core SCBs sandwiched BRBs: Mechanics, modeling and seismic demands / Eng. Struct 72:26~40
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