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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.38 No.1
- 발행연도
- 2021.1
- 수록면
- 17 - 31 (15page)
이용수
초록· 키워드
오류제보하기
Post-earthquake fire is a common disaster which causes serious safety issues to infrastructures. This study aims to investigate the residual loading capacities of circular concrete-filled steel tube (CFST) columns under post-earthquake fire experimentally and numerically. The experimental programme contains two loading steps - pre-damage cyclic loading at room temperature and transient state tests with constant compression loads. Three finite element models are developed and validated against the test results. Upon validation, a total of 48 numerical results were generated in the parametric study to investigate the effects of thickness and strengths of steel tube, axial compression ratio and damage degree on the fire resistance of circular CFST columns. Based on the analysis on experimental and numerical results, the loading mechanism of circular CFST columns is discussed. A design method is proposed for the prediction of fire resistance time under different seismic pre-damage and compression loads. The predictions by the new method is compared with the newly generated experimental and numerical results and is found to be accurate and consistent with the mean value close to the unity and a coefficient of variation around 1%.
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참고문헌 (40)
참고문헌 신청
ABAQUS / 2014 / ABAQUS/Standard Version 6.14 User's Manual vols. I-III / Dassault Systèmes Simulia Corp
BS EN 1993-1-2 : 2005 / 2005 / Design of steel structures, part / general rules-structural fire design, British Standards Institution
Yancheng Cai / 2018 / Bearing resistance design of stainless steel bolted connections at ambient and elevated temperatures / Steel and Composite Structures, An International Journal 29(2):273~286
2006 / CECS 200:2006 Technical specification for fire prevention of steel structures in buildings / China Association for Engineering Construction Standardization
Zongping Chen / 2018 / Residual bond behavior of high strength concrete-filled square steel tube after elevated temperatures / Steel and Composite Structures, An International Journal 27(4):509~523
BS EN 1993-1-2 : 2005 / 2005 / Design of steel structures, part / general rules-structural fire design, British Standards Institution
Yancheng Cai / 2018 / Bearing resistance design of stainless steel bolted connections at ambient and elevated temperatures / Steel and Composite Structures, An International Journal 29(2):273~286
2006 / CECS 200:2006 Technical specification for fire prevention of steel structures in buildings / China Association for Engineering Construction Standardization
Zongping Chen / 2018 / Residual bond behavior of high strength concrete-filled square steel tube after elevated temperatures / Steel and Composite Structures, An International Journal 27(4):509~523
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