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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.70 No.4
- 발행연도
- 2019.1
- 수록면
- 381 - 394 (14page)
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초록· 키워드
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If an alternative path would not be considered for redistribution of loads, local failure in structures will be followed by a progressive collapse. When a vertical load-bearing element of a steel structure fails, the beams connected to it will lose their support. Accordingly, an increase in span\'s length adds to the internal forces in beams. The mentioned increasing load in beams leads to amplifying the moments there, and likewise in their corresponding connections. Since it is not possible to reinforce all the elements of the structure against this phenomenon, it seems rational to use other technics like specified strengthened connections. In this study, a novel connection is suggested to handle the stated phenomenon which is introduced as a passive connection. This connection enables the structure to tolerate the added loads after failing of the vertical element. To that end, two experimental models were constructed and thereafter tested in half-scale, one-story, double-bay, and bolted connections in three-dimensional spaces. This experimental study has been conducted to compare the ductility and strength of a frame that has ordinary rigid connections with a frame containing a novel passive connection. At last, parametric studies have been implemented to optimize the dimensions of the passive connection. Results show that the load-bearing capacity of the frame increased up to 75 percent. Also, a significant decrease in the displacement of the node wherein the column is removed was observed compared to the ordinary moment resisting frame with the same loads.
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참고문헌 (36)
참고문헌 신청
Adom-Asamoah, M. / 2016 / Effect of design ductility on the progressive collapse potential of RC frame structures designed to Eurocode 8 / American J. Civil Eng 4(2):24~33
T.H. Almusallam / 2010 / Progressive collapse analysis of a RC building subjected to blast loads / Structural Engineering and Mechanics, An Int＇l Journal 36(3):301~319
Astaneh-Asl, A. / 2001 / Progressive collapse resistance of steel building floors
Building and Housing Research Center / 2004 / Iranian Code of Practice for Seismic Resistant Design of Buildings, Standard No. 2800 / BHRC
Byfield, M. / 2007 / Catenary action in steel-framed buildings / Proceedings of the Institution of Civil Engineers-Structures and Buildings 160(5):247~257
T.H. Almusallam / 2010 / Progressive collapse analysis of a RC building subjected to blast loads / Structural Engineering and Mechanics, An Int＇l Journal 36(3):301~319
Astaneh-Asl, A. / 2001 / Progressive collapse resistance of steel building floors
Building and Housing Research Center / 2004 / Iranian Code of Practice for Seismic Resistant Design of Buildings, Standard No. 2800 / BHRC
Byfield, M. / 2007 / Catenary action in steel-framed buildings / Proceedings of the Institution of Civil Engineers-Structures and Buildings 160(5):247~257
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