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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.40 No.3
- 발행연도
- 2021.1
- 수록면
- 405 - 420 (16page)
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This paper experimentally investigated the behavior of a cross-shaped concrete-filled steel tubular (C-CFST) column subjected to a constant axial load and a low-cycle repeated loading. Nine C-CFST columns with different length-width ratio, width-thickness ratio and axial compression ratio were designed, and the failure mode, hysteresis curve, skeleton curve, ductility, stiffness degradation and energy dissipation capacity of each specimen were studied and analyzed. The results indicated that the cross-shaped steel tube had a strong restraining effect on the core concrete, and C-CFST columns of different sectional dimensions all exhibited favorable seismic behavior, which is suitable for middle-high residential buildings. An increase of length-width ratio enhanced the initial stiffness with a decrease of ductility, and more rapid stiffness degradation during loading. Specimens with smaller width-thickness ratios had higher ductility, stiffness, and energy dissipation capacity. A larger axial compression ratio could reduce the bearing capacity, and cause the stiffness to degrade faster. Moreover, a hysteretic model of C-CFST columns was also proposed based on an analysis of the test results.
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참고문헌 (37)
참고문헌 신청
Xianggang Liu / 2020 / Resistance of special-shaped concrete-filled steel tube columns under compression and bending / Journal of Constructional Steel Research 169:106038~585
M. Ahmadi / 2014 / Utilization of artificial neural networks to prediction of the capacity of CCFT short columns subject to short term axial load / Archives of Civil and Mechanical Engineering 14(3):510~517
M. Ahmadi / 2017 / ANN Model for Predicting the Compressive Strength of Circular Steel-Confined Concrete / International Journal of Civil Engineering 15(2):213~221
Zahoor Ahmed / 2020 / Moving towards a sustainable environment: The dynamic linkage between natural resources, human capital, urbanization, economic growth, and ecological footprint in China / Resources Policy 67:101677
An, J. / 2017 / Study on optimization design of reinforced concrete special-shaped column frame structure / Chem. Eng. T 62:1075~1080
M. Ahmadi / 2014 / Utilization of artificial neural networks to prediction of the capacity of CCFT short columns subject to short term axial load / Archives of Civil and Mechanical Engineering 14(3):510~517
M. Ahmadi / 2017 / ANN Model for Predicting the Compressive Strength of Circular Steel-Confined Concrete / International Journal of Civil Engineering 15(2):213~221
Zahoor Ahmed / 2020 / Moving towards a sustainable environment: The dynamic linkage between natural resources, human capital, urbanization, economic growth, and ecological footprint in China / Resources Policy 67:101677
An, J. / 2017 / Study on optimization design of reinforced concrete special-shaped column frame structure / Chem. Eng. T 62:1075~1080
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