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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.37 No.6
- 발행연도
- 2020.1
- 수록면
- 679 - 693 (15page)
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This paper investigates the seismic response of buildings equipped with Self-Centering Energy Dissipating (SCED) braces. Two-dimensional models of 3, 6, 12 and 16-story SCED buildings considering both material and geometric nonlinearities are investigated by carrying out pushover and nonlinear time-history analyses. The response indicators of the buildings are studied for weight-scaled ground motions to represent the Design Basis Earthquake (DBE) level and the Maximum Considered Earthquake (MCE) event. The fragility curves of the buildings for two Immediate Occupancy (IO) and Life Safety (LS) performance levels are developed using Incremental Dynamic Analysis (IDA). Results of the nonlinear response history analyses indicate that the maximum inter-story drift occurs at the taller buildings. The mean peak inter-story drift is less than 2% in both hazard levels. High floor acceleration peaks are observed in all the SCED frames regardless of the building height. The overall ductility and ductility demand increase when the number of stories reduces. The results also showed the residual displacement is negligible for all of case study buildings. The 3 and 6-story buildings exhibit desirable performance in IO and LS performance levels according to fragility curves results, while 12 and 16-story frames show poor performance especially in IO level. The results indicated the SCED braces performance is generally better in lower-rise buildings.
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참고문헌 (33)
참고문헌 신청
2016 / ASCE 7, Minimum Design Loads and Associated Criteria for Buildings and Other Structures / American Society American Society of Civil
2006 / ASCE 41, Seismic rehabilitation of existing buildings / American Society of Civil Engineers
Aurelio Braconi / 2012 / Development, design and experimental validation of a steel self-centering device (SSCD) for seismic protection of buildings / Bulletin of Earthquake Engineering 10(6):1915~1941
Chung-Che Chou / 2016 / Seismic design and tests of a full-scale one-story one-bay steel frame with a dual-core self-centering brace / Engineering Structures 111:435~450
Constantin Christopoulos / 2002 / Posttensioned Energy Dissipating Connections for Moment-Resisting Steel Frames / Journal of Structural Engineering 128(9):1111~1120
2006 / ASCE 41, Seismic rehabilitation of existing buildings / American Society of Civil Engineers
Aurelio Braconi / 2012 / Development, design and experimental validation of a steel self-centering device (SSCD) for seismic protection of buildings / Bulletin of Earthquake Engineering 10(6):1915~1941
Chung-Che Chou / 2016 / Seismic design and tests of a full-scale one-story one-bay steel frame with a dual-core self-centering brace / Engineering Structures 111:435~450
Constantin Christopoulos / 2002 / Posttensioned Energy Dissipating Connections for Moment-Resisting Steel Frames / Journal of Structural Engineering 128(9):1111~1120
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