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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.41 No.1
- 발행연도
- 2021.10
- 수록면
- 115 - 122 (8page)
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초록· 키워드
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The steel-reinforced concrete-filled steel tubular column (SRCFT) is a new form of composite columns. Before widely accepted in engineering practice, its fire behaviour shall be fully understood. Four representative circular SRCFT stub columns were built and tested to failure under ISO fire herein. The tests explored the effect of reinforced steel, the internal or external heating condition and load ratios. The experimental results indicated that the inserted section steel significantly improved the fire resistance of circular SRCFT columns. The non-uniform fire condition did not produce a detrimental effect on the fire response of the specimen. The numerical model was developed and validated against the experimental results. Then a parametric study was present to evaluate the effect of load level, eccentricity and heating conditions. A comparison was made to check the accuracy of a widely accepted design method. The comparison indicated the design method was generally 36% conservative for axially loaded condition and 25% un-conservative for eccentrically loaded condition.
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참고문헌 (26)
참고문헌 신청
2004 / EN 1992-1-2 Eurocode 2: Design of concrete structures—Part 1-2: General rules—Structural fire design / European Committee for Standardization
2005 / EN 1994-1-2 Eurocode 4: design of composite steel and concrete structures. Part 1-2: general rules – structural fire design / European Committee for Standardization
2011 / JGJ 55 Specification for Mix Proportion Design of Ordinary Concrete / Architecture & Building Press
V. Albero / 2016 / Proposal of a new method in EN1994-1-2 for the fire design of concrete-filled steel tubular columns / Engineering Structures 128:237~255
Jingming Cai / 2015 / Mechanical behavior of steel-reinforced concrete-filled steel tubular (SRCFST) columns under uniaxial compressive loading / Thin-Walled Structures 97:1~10
2005 / EN 1994-1-2 Eurocode 4: design of composite steel and concrete structures. Part 1-2: general rules – structural fire design / European Committee for Standardization
2011 / JGJ 55 Specification for Mix Proportion Design of Ordinary Concrete / Architecture & Building Press
V. Albero / 2016 / Proposal of a new method in EN1994-1-2 for the fire design of concrete-filled steel tubular columns / Engineering Structures 128:237~255
Jingming Cai / 2015 / Mechanical behavior of steel-reinforced concrete-filled steel tubular (SRCFST) columns under uniaxial compressive loading / Thin-Walled Structures 97:1~10
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