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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.77 No.6
- 발행연도
- 2021.1
- 수록면
- 819 - 830 (12page)
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초록· 키워드
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To evaluate the performance of concrete load bearing walls in a structure under horizontal loads after being exposed to real fire, two steps were followed. In the first step, an experimental study was performed on the thermo-mechanical properties of concrete after heating to temperatures of 200-1000°C with the purpose of determining the residual mechanical properties after cooling. The temperature was increased in line with natural fire curve in an electric furnace. The peak temperature was maintained for a period of 1.5 hour and then allowed to cool gradually in air at room temperature. All specimens were made from calcareous aggregate to be used for determining the residual properties: compressive strength, static and dynamic elasticity modulus by means of UPV test, including the mass loss. The concrete residual compressive strength and elastic modulus values were compared with those calculated from Eurocode and other analytical models from other studies, and were found to be satisfactory. In the second step, experimental analysis results were then implemented into structural numerical analysis to predict the post-fire load-bearing capacity response of the walls under vertical and horizontal loads. The parameters considered in this analysis were the effective height, the thickness of the wall, various support conditions and the residual strength of concrete. The results indicate that fire damage does not significantly affect the lateral capacity and stiffness of reinforced walls for temperature fires up to 400°C.
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참고문헌 (41)
참고문헌 신청
Alireza Afaghi-Darabi / 2019 / Effect of cooling rate on the post-fire behavior of CFST column / Computers and Concrete, An International Journal 23(4):281~294
Awad, Y. A. E. S. K. / 2018 / Effect of extinguishing method on the behaviour of RC columns subjected to fire
Awal, A. S. M. A. / 2015 / Effect of cooling regime on the residual performance of high-volume palm oil fuel ash concrete exposed to high temperatures / Constr. Build. Mater 98(15):875~883
Aneesha Balaji / 2016 / Reliability studies on RC beams exposed to fire based on IS456:2000 design methods / Structural Engineering and Mechanics, An Int＇l Journal 59(5):853~866
Chan, Y. N. / 1999 / Residual strength and pore structure of high-strength concrete and normal strength concrete after exposure to high temperatures / Cement Concrete Compos 21(1):23~27
Awad, Y. A. E. S. K. / 2018 / Effect of extinguishing method on the behaviour of RC columns subjected to fire
Awal, A. S. M. A. / 2015 / Effect of cooling regime on the residual performance of high-volume palm oil fuel ash concrete exposed to high temperatures / Constr. Build. Mater 98(15):875~883
Aneesha Balaji / 2016 / Reliability studies on RC beams exposed to fire based on IS456:2000 design methods / Structural Engineering and Mechanics, An Int＇l Journal 59(5):853~866
Chan, Y. N. / 1999 / Residual strength and pore structure of high-strength concrete and normal strength concrete after exposure to high temperatures / Cement Concrete Compos 21(1):23~27
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