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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.40 No.4
- 발행연도
- 2021.1
- 수록면
- 481 - 493 (13page)
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초록· 키워드
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A component-based method for the estimation of the posttensioned (PT) steel frame against progressive collapse is proposed and presented in the current paper. A mechanical model of PT steel connections is developed and benchmarked with experimental data of a PT beam-column substructure from literature. The developd mechanical models of four PT connections are able to capture the initial elastic stiffness, decompression load, and residual stiffness under lateral loading. Then, analysis of a reduced-scale three-storey two-bay PT steel frame is carried out with sufficient accuracy by incorporating the proposed joint model into the frame analysis. The proposed method is then applied to assessing progressive collapse of a one-storey two-bay PT frame under middle column removal scenario, and is verified against existing experimental and ANSYS finite element results. Three resistance mechanism for progressive collapse of the PT frame are evaluated, which consists of angle flexural mechanism, beam compression arching action and strand tensile catenary action. Finally, parameter analyses of the PT frames are conducted to investigate the effects of the connection details on the behavior and resistance of progressive collapse. The proposed model can be used to predict the quasi-static behavior of PT frames under monotonic vertical loading conditions with satisfactory accuracy.
목차
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참고문헌 (27)
참고문헌 신청
Jose M. Adam / 2018 / Research and practice on progressive collapse and robustness of building structures in the 21st century / Engineering Structures 173:122~149
E. Brunesi / 2015 / Progressive collapse fragility of reinforced concrete framed structures through incremental dynamic analysis / Engineering Structures 104:65~79
2005 / EN 1993-1-8 EN 1993-1-8: Design of Steel Structures Part 1.8: Design of Joints / European Committee for Standardisation
Ciro Faella / 1998 / Experimental Analysis of Bolted Connections: Snug versus Preloaded Bolts / Journal of Structural Engineering 124(7):765~774
Victor Gioncu / 1997 / Available rotation capacity of wide-flange beams and beam-columns Part 1. Theoretical approaches / Journal of Constructional Steel Research 43(1-3):161~217
E. Brunesi / 2015 / Progressive collapse fragility of reinforced concrete framed structures through incremental dynamic analysis / Engineering Structures 104:65~79
2005 / EN 1993-1-8 EN 1993-1-8: Design of Steel Structures Part 1.8: Design of Joints / European Committee for Standardisation
Ciro Faella / 1998 / Experimental Analysis of Bolted Connections: Snug versus Preloaded Bolts / Journal of Structural Engineering 124(7):765~774
Victor Gioncu / 1997 / Available rotation capacity of wide-flange beams and beam-columns Part 1. Theoretical approaches / Journal of Constructional Steel Research 43(1-3):161~217
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