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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.28 No.3
- 발행연도
- 2018.1
- 수록면
- 309 - 318 (10page)
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초록· 키워드
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Buckling Restrained Braced (BRB) frames have been widely used as an efficient seismic load resisting system in recent years mostly due to their symmetric and stable hysteretic behavior and significant energy dissipation capacity. In this study, to provide a better understanding of the behavior of BRB frames with various beam-column connections, a numerical study using non-linear finite element (FE) analysis is conducted. All models are implemented in the Abaqus software package following an explicit formulation. Initially, the results of the FE model are verified with experimental data. Then, diverse beam-column connections are modeled for the sake of comparison from the shear capacity, energy dissipation and frame hysteresis behavior points of view until appropriate performance is assessed. The considered connections are divided into three different categories: (1) simple beam-column connections including connection by web angle and connection by seat angle; (2) semi-rigid connection including connection by web and seat angles; and (3) rigid beam-column connections by upper-lower beam plates and beam connections with web and flange splices. Results of the non-linear FE analyses show that these types of beam-column connections have little effect on the maximum story drift and shear capacity of BRB frames. However, the connection type has a significant effect on the amount of energy dissipation and hysteresis behavior of BRB frames. Also, changes in length and thickness of the angles in simple and semi-rigid connections and changes in length and thickness of plates in rigid connections have slight effects (less than 4%) on the overall frame behavior.
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참고문헌 (31)
참고문헌 신청
Abaqus / 2012 / Abaqus 6.12, Analysis and Theory Manual / Simulia, Dassault Systems
Aiken, I. / 2002 / Large-scale testing of buckling-restrained braced frames / Proceedings of Japan Passive Control Symposium
AISC / 2005 / Seismic Provisions for Structural Steel Buildings
2010 / ANSI/AISC 360-10, Specification for structural steel buildings / AISC Committee on Specifications
ASCE / 2005 / Minimum Design Loads for Buildings and other Structures; American Society of Civil Engineers, ASCE/SEI 7-05
Aiken, I. / 2002 / Large-scale testing of buckling-restrained braced frames / Proceedings of Japan Passive Control Symposium
AISC / 2005 / Seismic Provisions for Structural Steel Buildings
2010 / ANSI/AISC 360-10, Specification for structural steel buildings / AISC Committee on Specifications
ASCE / 2005 / Minimum Design Loads for Buildings and other Structures; American Society of Civil Engineers, ASCE/SEI 7-05
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