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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.35 No.2
- 발행연도
- 2020.1
- 수록면
- 199 - 213 (15page)
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초록· 키워드
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This paper proposes a Global-Local Analysis Method (GLAM) to assess the progressive collapse of steel framed structures under fire-induced column failure. GLAM obtains the overall structural response by combining dynamic analysis of the heated column (local) with static analysis of the overall structure (global). Test results of two steel frames which explicitly consider the dynamic effect during fire-induced column failure were employed to validate the proposed GLAM. Results show that GLAM gives reasonable predictions to the test frames in terms of both whether to collapse and the displacement verse temperature curves. Besides, several case studies of a two-dimensional (2D) steel frame and a three-dimensional (3D) steel frame with concrete slabs were conducted by using GLAM. Results show that GLAM gives the same collapse predictions to the studied cases with nonlinear dynamic analysis of the whole structure model. Compared with nonlinear dynamic analysis of the whole structure model, GLAM saves approximately 70% and 99% CPU time for the cases of 2D and 3D steel frame, respectively. Results also show that the load level of a structure has notable effects on the restraint condition of a heated column in the structure.
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참고문헌 (32)
참고문헌 신청
Anil Agarwal / 2014 / Fire induced progressive collapse of steel building structures: The role of interior gravity columns / Engineering Structures 58:129~140
H. Al-Thairy / 2011 / A numerical study of the behaviour and failure modes of axially compressed steel columns subjected to transverse impact / International Journal of Impact Engineering 38(8-9):732~744
2005 / BS EN 1993-1-2 , Eurocode 3: Design of steel structures Part 1-2: General rules - Structural fire design / European Committee for Standardization
Cowper, G.R. / 1957 / Strain-Hardening and Strain-Rate Effects in the Impact Loading of Cantilever Beams
Dassault Systemes Simulia Corp / 2014 / Getting Started with ABAQUS Interactive Edition, Verson 6.14-4
H. Al-Thairy / 2011 / A numerical study of the behaviour and failure modes of axially compressed steel columns subjected to transverse impact / International Journal of Impact Engineering 38(8-9):732~744
2005 / BS EN 1993-1-2 , Eurocode 3: Design of steel structures Part 1-2: General rules - Structural fire design / European Committee for Standardization
Cowper, G.R. / 1957 / Strain-Hardening and Strain-Rate Effects in the Impact Loading of Cantilever Beams
Dassault Systemes Simulia Corp / 2014 / Getting Started with ABAQUS Interactive Edition, Verson 6.14-4
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