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A Review on Progressive Collapse Designing Based on UFC Regulation
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作者 Javad Delfian akbar hassanipour 《Journal of Building Material Science》 2019年第2期9-15,共7页
Progressive collapse is a relatively rare event which happens due to unusual loading on a structure that lacks adequate continuity,ductility and indeterminacy which causes local collapse in that structure and then ext... Progressive collapse is a relatively rare event which happens due to unusual loading on a structure that lacks adequate continuity,ductility and indeterminacy which causes local collapse in that structure and then extends it to other structural parts.The US department of defense published UFC4-023-03 regulation regarding the building design against progressive collapse.This regulation,based on the ASCE 7-05 standard,introduces two general approaches to building design against progressive collapse,including direct design and indirect design approaches.In this study,a variety of structural design methods for progressive collapse have been investigated.Moreover,their strengths and weaknesses have been mentioned.In general,the results of this study show that design based on alternative path(AP)method is more economical than other methods.Moreover,application of AP method is much more commonly accepted by researchers and designers. 展开更多
关键词 Progressive collapse Alternative path method Specific local resistance
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