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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.27 No.4
- 발행연도
- 2018.1
- 수록면
- 417 - 426 (10page)
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초록· 키워드
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This paper presents the seismic behaviors and restoring force model of ring beam joints of steel tube-reinforced concrete column structure under cyclic loading. First, the main failure mode, ultimate bearing capacity, stiffness degradation and energy dissipation capacity are studied. Then, the effects of concrete grade, steel grade, reinforcement ratio and radius-to-width ratios are discussed. Finally, the restoring force model is proposed. Results show that the ring beam joints of steel tube-reinforced concrete column structure performs good seismic performances. With concrete grade increasing, the ultimate bearing capacity and energy dissipation capacity increase, while the stiffness degradation rates increases slightly. When the radius-width ratio is 2, with reinforcement ratio increasing, the ultimate bearing capacity decreases. However, when the radius-to-width ratios are 3, with reinforcement ratio increasing, the ultimate bearing capacity increases. With radius-to-width ratios increasing, the ultimate bearing capacity decreases slightly and the stiffness degradation rate increases, but the energy dissipation capacity increases slightly.
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참고문헌 (27)
참고문헌 신청
Cao, W. / 2013 / Study on seismic behavior of bottom strengthened rectangular steel tube reinforced concrete columns / World Earthq. Eng. 29(3):14~19
CECS / 2005 / Technical specification for steel tube-reinforced concrete column structure / China Planning Press
Clough, R.W. / 1966 / Effect of Stiffness Degradation on Earthquake Ductility Requirements
Dong, C.X. / 2017 / Effects of external confinement on structural performance of concretefilled steel tubes / J. Const. Steel Res. 132:72~82
Jeddi, M.Z. / 2016 / Seismic performance of a new through rib stiffener beam connection to concrete-filled steel tubular columns: An experimental study / Eng. Struct. 131(15):477~491
CECS / 2005 / Technical specification for steel tube-reinforced concrete column structure / China Planning Press
Clough, R.W. / 1966 / Effect of Stiffness Degradation on Earthquake Ductility Requirements
Dong, C.X. / 2017 / Effects of external confinement on structural performance of concretefilled steel tubes / J. Const. Steel Res. 132:72~82
Jeddi, M.Z. / 2016 / Seismic performance of a new through rib stiffener beam connection to concrete-filled steel tubular columns: An experimental study / Eng. Struct. 131(15):477~491
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