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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.29 No.4
- 발행연도
- 2018.1
- 수록면
- 451 - 464 (14page)
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초록· 키워드
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This paper presents some quasi-static tests for 4 mixed columns composed of CFST column and RC column. The seismic performance and failure mode were studied under low-cyclic revised loading. The failure mode was observed under different axial compression ratios. The hysteretic curve and skeleton curve were obtained. The effects of axial compression ratio on yield mechanism, displacement ductility, energy dissipation, stiffness and strength attenuation were analyzed. The results indicate that the failure behavior of CFST-RC mixed column with archaized style is mainly caused by bending failure and accompanied by some shear failure. The axial compression ratio performs a control function on the yielding order of the upper and lower columns. The yielding mechanism has a great influence on the ductility and energy dissipation capacity of specimens. Based on the experiment, finite element analysis was made to further research the seismic performance by ABAQUS software. The variable parameters were stiffness ratio of upper and lower columns, axial compression ratio, yielding strength of steel tube, concrete strength and rebar ratio. The simulation results show that with the increase of stiffness ratio of the upper and lower columns, the bearing capacity and ductility of specimens can correspondingly increase. As the axial compression ratio increases, the ductility of the specimen decreases gradually. The other three parameters both have positive effect on the bearing capacity but have negative effect on the ductility. The results can provide reference for the design and engineering application of mixed column consisted of CFST-RC in Chinese archaized buildings.
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참고문헌 (18)
참고문헌 신청
Chacón, R. / 2013 / Strength and ductility of concrete-filled tubular piers of integral bridges / Eng. Struct 46(1):234~246
Chitawadagi, M. V. / 2012 / Axial strength of circular concrete-filled steel tube columns — doe approach / J. Constr. Steel Res 66(10):1248~1260
Eckelman, C. A. / 2015 / Withdrawal and compression force capacity of pinned end-to-end round mortise-and-tenon wooden joints / Wood Sci. Technol 47(3):217~224
Ekmekyapar, T. / 2016 / Experimental behaviour of circular concrete filled steel tube columns and design specifications / Thin Wall Struct 105(8):220~230
Shehdeh Ghannam / 2004 / Failure of lightweight aggregate concrete-filled steel tubular columns / Steel and Composite Structures, An International Journal 4(1):1~8
Chitawadagi, M. V. / 2012 / Axial strength of circular concrete-filled steel tube columns — doe approach / J. Constr. Steel Res 66(10):1248~1260
Eckelman, C. A. / 2015 / Withdrawal and compression force capacity of pinned end-to-end round mortise-and-tenon wooden joints / Wood Sci. Technol 47(3):217~224
Ekmekyapar, T. / 2016 / Experimental behaviour of circular concrete filled steel tube columns and design specifications / Thin Wall Struct 105(8):220~230
Shehdeh Ghannam / 2004 / Failure of lightweight aggregate concrete-filled steel tubular columns / Steel and Composite Structures, An International Journal 4(1):1~8
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