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Evaluation of Progressive Collapse Resisting Capacity of RC structure using the Applied Element Method  

Park, Hoon ((주)코리아카코)
Suk, Chul-Gi ((주)코리아카코)
Cho, Sang-Ho (전북대학교 자원.에너지공학과)
Publication Information
Explosives and Blasting / v.31, no.1, 2013 , pp. 41-48 More about this Journal
Abstract
Progressive collapse is generally defined as a local failure of structural members occurring due to abnormal load which results in the partial collapse or total collapse of a structure. Unlike progressive collapse, explosive demolition is a method of inducing the total collapse of structure by removing all or portion of structural members. In explosive demolition the partial collapse of the structural members can be controlled at appropriate time intervals by blasting, to induce the progressive collapse of the structure and control the collapse behavior. In this study, a nonlinear dynamic analysis was carried out in order to apply the progressive collapse process to explosive demolition design of the RC structure. The occurrence of progressive collapse of analytical models was examined according to the number of floors, the removed column height and span length. For models that resisted progressive collapse, progressive collapse resisting capacity was evaluated.
Keywords
Progressive collapse; Explosive demolition; Collapse resistance; Applied element method;
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