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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.20 No.6
- 발행연도
- 2016.1
- 수록면
- 1,205 - 1,219 (15page)
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초록· 키워드
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This paper presents a new type of pre-pressed spring self-centering energy dissipation (PS-SCED) bracing system that combines friction mechanisms between the inner and outer tube members to provide the energy dissipation with the pre-pressed combination disc springs installed on both ends of the brace to provide the selfcentering capability. The mechanics and the equations governing the design and hysteretic responses of the bracing system are outlined, and a series of validation tests of components comprising the self-centering mechanism of combination disc springs, the friction energy dissipation mechanism, and a large scale PS-SCED bracing specimen were conducted due to the low cyclic reversed loadings. Experimental results demonstrate that the proposed bracing system performs as predicted by the equations governing its mechanical behaviors, which exhibits a stable and repeatable flag-shaped hysteretic response with excellent self-centering capability and appreciable energy dissipation, and large ultimate bearing and deformation capacities. Results also show that almost no residual deformation occurs when the friction force is less than the initial pre-pressed force of disc springs.
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참고문헌 (19)
참고문헌 신청
Cao, Z.L. / 2015 / Theoretical analysis of self-centering concrete piers with external dissipators / Earthq. Struct. 9(6):1313~1336
Christopoulos, C. / 2008 / Self-centering energy dissipative bracing system for the seismic resistance of structures: Development and validation / J. Struct. Eng. ASCE 134(1):96~107
Erochko, J. / 2014 / Seismic response of six-story steel frame building with selfcentering energy-dissipative (SCED) braces combined with linear viscous dampers / Proceedings of the 10th U.S. National Conference on Earthquake Engineering, Frontier of Earthquake Engineering
Garlock, M. / 2005 / Experimental studies of full-scale posttensioned steel connections / J. Struct. Eng. ASCE 131(3):438~448
Garlock, M. / 2007 / Behavior and design of posttensioned steel frame systems / J. Struct. Eng. ASCE 133(3):389~399
Christopoulos, C. / 2008 / Self-centering energy dissipative bracing system for the seismic resistance of structures: Development and validation / J. Struct. Eng. ASCE 134(1):96~107
Erochko, J. / 2014 / Seismic response of six-story steel frame building with selfcentering energy-dissipative (SCED) braces combined with linear viscous dampers / Proceedings of the 10th U.S. National Conference on Earthquake Engineering, Frontier of Earthquake Engineering
Garlock, M. / 2005 / Experimental studies of full-scale posttensioned steel connections / J. Struct. Eng. ASCE 131(3):438~448
Garlock, M. / 2007 / Behavior and design of posttensioned steel frame systems / J. Struct. Eng. ASCE 133(3):389~399
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