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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.2
- 발행연도
- 2018.1
- 수록면
- 243 - 253 (11page)
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초록· 키워드
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In recent years, concrete-filled box or tubular columns have been commonly used in high-rise buildings. However, a number of fire test results show that there are significant differences between high strength concrete (HSC) and normal strength concrete (NSC) after being subjected to high temperatures. Therefore, this paper presents an investigation on the fire resistance of HSC filled steel tubular columns (CFTCs) under combined temperature and loading. Two groups of full-size specimens were fabricated to consider the effect of type of concrete infilling (plain and reinforced) and the load level on the fire resistance of CFTCs. Prior to fire test, a constant compressive load (i.e., load level for fire design) was applied to the column specimens. Thermal load was then applied on the column specimens in form of ISO 834 standard fire curve in a large-scale laboratory furnace until the set experiment termination condition was reached. The results demonstrate that the higher the axial load level, the worse the fire resistance. Moreover, in the bar-reinforced concrete-filled steel tubular columns, the presence of rebars not only decreased the spread of cracks and the sudden loss of strength, but also contributed to the load-carrying capacity of the concrete core.
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참고문헌 (47)
참고문헌 신청
1992 / ACI 363R-92, State-of-the-Art Report on High-Strength Concrete, ACI Committee 363 Report
2014 / ACI-318, Building code requirements for reinforced concrete and commentary
Farhad Aslani / 2015 / Predicting the axial load capacity of high-strength concrete filled steel tubular columns / Steel and Composite Structures, An International Journal 19(4):967~993
2016 / ASTM C192/C192M-16a, Standard Practice for Making and Curing Concrete Test Specimens in the Laboratory / ASTM International
2008 / ASTM E119, Standard Test Methods for Fire Tests of Building Construction and Materials / American Society for Testing and Materials
2014 / ACI-318, Building code requirements for reinforced concrete and commentary
Farhad Aslani / 2015 / Predicting the axial load capacity of high-strength concrete filled steel tubular columns / Steel and Composite Structures, An International Journal 19(4):967~993
2016 / ASTM C192/C192M-16a, Standard Practice for Making and Curing Concrete Test Specimens in the Laboratory / ASTM International
2008 / ASTM E119, Standard Test Methods for Fire Tests of Building Construction and Materials / American Society for Testing and Materials
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