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Fire Science and Engineering 2011;25(6):104-111.
Published online December 31, 2011.
스틸-알루미늄 복합 프레임을 갖는 커튼월의 내화성능에 관한 실험적 연구
이재승, 임현창, 조봉호, 김흥열
An Experimental Study on Fire Resistance Performance of Curtain-Wall System with Steel-Aluminum Hybrid Frame
Lee Jae-Sung, Yim Hyun-Chang, Cho Bong-Ho, Kim Heung-Yeal
현재까지 알루미늄은 커튼월의 프레임 재료로서 광범위하게 사용되어 왔다. 최근에 건축물의 초고층화와 더불어 커튼월의 프레임 재료로서 알루미늄에 비해 강도와 열 저항능력이 큰 스틸에 대한 관심이 증가하고 있다. 본 연구에서는 알루미늄 커튼월과 스틸-알루미늄 복합 커튼월에 대한 내화성능을 EN 13830에 근거하여 차염성, 차열성 및 복사열 차단성능에 대하여 평가하였다. 실험결과, 알루미늄 커튼월에 비해 스틸-알루미늄 복합 프레임 커튼월의 차염성능은 15분, 복사열에 대한 성능은 13분 상향 평가되었다. 프레임의 붕괴는 스틸-알루미늄 복합 프레임의 경우 36분, 알루미늄 커튼월의 경우 13분이었으나, 차열성능은 내화유리의 온도에 의해 모두 6분으로 평가되었다.
Aluminum has been widely used as frame materials in the curtain walls. Recently, use of steel as a curtain wall frame is being considered due to its higher strength and thermal resistance than aluminum. In this study, fire tests on the basis of EN 13830 were performed with aluminum and steel-aluminum hybrid curtain walls. From the tests, fire resistance integrity, thermal insulation, and radiation properties were evaluated for both systems and compared. According to the test results, the steel-aluminum hybrid curtain wall showed better fire-performance than the typical aluminum curtain wall for the fire resistance integrity and radiation properties. Although, the fire resistance performance for the insulation property was 6 min for both the two frames, the collapses were occurred at 36 min for the steel-aluminum hybrid curtain wall and at 13 min for the aluminum hybrid curtain wall.
Key Words: Hybrid curtain wall, Aluminum curtain wall, Fire resistance performance

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