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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.39 No.2
- 발행연도
- 2021.1
- 수록면
- 171 - 188 (18page)
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초록· 키워드
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Plastic deformation of link beams in eccentrically braced frames is the primary dissipating source of seismic energy. Despite the excellent compatibility with the architectural designs, previous researches indicate the deficiency of flexural yielding links compared to the shear yielding ones because of their localized plastic deformation. Previous investigations have shown that implementing web openings in beams could be an efficient method to improve the seismic performance of moment-resisting connections. Accordingly, this research investigates the use of flexural links with stiffened and un-stiffened web openings to eliminate localized plasticity at the ends of the link. For this purpose, the numerical models are generated in finite element software “Abaqus” and verified against experimental data gathered from other studies. Models are subjected to cyclic displacement history to evaluate their behavior. Failure of the numerical models under cyclic loading is simulated using a micromechanical based damage model known as Cyclic Void Growth Model (CVGM). The elastic stiffness and the strength-based and CVGM-based inelastic rotation capacity of the links are compared to evaluate the studied models' seismic response. The results of this investigation indicate that some of the flexural links with edge stiffened web openings show increased inelastic rotation capacity compared to an un-perforated link.
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참고문헌 (45)
참고문헌 신청
AISC / 2016 / Seismic provision for structural steel buildings, American Institute of Steel Construction, ANSI/AISC 341-16
AISC / 2002 / Seismic provision for structural steel buildings, ANSI/AISC 341-02 / American Institute of Steel Construction
Vahid Akrami / 2015 / Effect of local web buckling on the cyclic behavior of reduced web beam sections (RWBS) / Steel and Composite Structures, An International Journal 18(3):641~657
T. Al-Dafafea / 2019 / Experimental study of beams with stiffened large web openings / Journal of Constructional Steel Research 154:149~160
Mohammed Altaee / 2019 / Practical Application of CFRP Strengthening to Steel Floor Beams with Web Openings: A numerical Investigation / Journal of Constructional Steel Research 155:395~408
AISC / 2002 / Seismic provision for structural steel buildings, ANSI/AISC 341-02 / American Institute of Steel Construction
Vahid Akrami / 2015 / Effect of local web buckling on the cyclic behavior of reduced web beam sections (RWBS) / Steel and Composite Structures, An International Journal 18(3):641~657
T. Al-Dafafea / 2019 / Experimental study of beams with stiffened large web openings / Journal of Constructional Steel Research 154:149~160
Mohammed Altaee / 2019 / Practical Application of CFRP Strengthening to Steel Floor Beams with Web Openings: A numerical Investigation / Journal of Constructional Steel Research 155:395~408
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