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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.31 No.2
- 발행연도
- 2019.1
- 수록면
- 149 - 158 (10page)
이용수
초록· 키워드
오류제보하기
The force-deformation behavior, strain distribution and failure modes of a variable damping self-centering brace (VD–SCB) are theoretically analyzed, experimentally studied, and numerically simulated to guide its design. The working principle of the brace is explained by describing the working stages and the key feature points of the hysteretic curve. A large-scale brace specimen was tested under different sinusoidal excitations to analyze the recentering capability and energy dissipation. Results demonstrate that the VD–SCB exhibits a full quasi-flag-shaped hysteretic response, high ultimate bearing capacity, low activation force and residual deformation, and excellent recentering and energy dissipation capabilities. Calculation equations of the strain distribution in different parts of the brace are proposed and are compared with the experimental data and simulated results. The developments of two failure modes are compared. Under normal circumstances, the brace fails due to the yielding of the spring blocking plates, which are easily replaced to restore the normal operating conditions of the brace. A brief description of the design procedure of the brace is proposed for application.
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참고문헌 (21)
참고문헌 신청
Abou-Elfath, H. / 2017 / Evaluating the ductility characteristics of self-centering buckling-restrained shape memory alloy braces / Smart Mater. Struct 26(5):055020
Pei Chi / 2018 / Development of a self-centering tension-only brace for seismic protection of frame structures / Steel and Composite Structures, An International Journal 26(5):573~582
Choi, E. / 2017 / Vibration tests of precompressed rubber springs and a flag-shaped smart damper / Eng. Struct 132:372~382
Chou, C. C. / 2014 / Development of cross-anchored dual-core self-centering braces for seismic resistance / J. Constr. Steel Res 101:19~32
Chou, C. C. / 2015 / Development of steel dual-core self-centering braces : quasi-static cyclic tests and finite element analyses / Earthq. Spectra 31(1)
Pei Chi / 2018 / Development of a self-centering tension-only brace for seismic protection of frame structures / Steel and Composite Structures, An International Journal 26(5):573~582
Choi, E. / 2017 / Vibration tests of precompressed rubber springs and a flag-shaped smart damper / Eng. Struct 132:372~382
Chou, C. C. / 2014 / Development of cross-anchored dual-core self-centering braces for seismic resistance / J. Constr. Steel Res 101:19~32
Chou, C. C. / 2015 / Development of steel dual-core self-centering braces : quasi-static cyclic tests and finite element analyses / Earthq. Spectra 31(1)
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