Evaluation of Progressive Collapse Potential of Steel Moment Frames in Different Seismic Zones of Iran
Publish place: 9th International Congress on Civil Engineering
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCE09_1137
تاریخ نمایه سازی: 7 مهر 1391
Abstract:
The progressive collapse-resisting capacity of the three story steel moment frames designed for moderate and very high level of seismic zones of Iran, is investigated using alternate path method recommended in the GSA and UFC guidelines. The linear static and nonlinear static analysis procedures were carried out in accordance with both the guidelines. It was observed that, for the steel structures designed for higher seismicity there is higher capacity for progressive collapse. However for short steel structures, there is no enough redundancy, hence the alternate paths will not be generated to redistribute loads of the failed elements and prepare resisting capacity for progressive collapse. It was also observed that, the direction of joist and pattern of gravity loads are effective parameters and so, it is better to be avoided from uniform gravity loading patterns.
Authors
m Wassegh
Graduate Student of Earthquake Engineering, Shiraz University of Technology
M.A Hadianfard
Assistant Prof. of Civil Engineering, Shiraz University of Technology
m Soltani Mohammadi
Associate Prof. of Earthquake Engineering, Tarbiat Modares University
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