Volume 26, Number 1 (7-2007)                   jame 2007, 26(1): 149-164 | Back to browse issues page


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K. Abedi, M.R. Sheidaii. Investigation of Double-layer Grid Space Structurer Resistance to Progressive Collapse. jame. 2007; 26 (1) :149-164
URL: http://jame.iut.ac.ir/article-1-412-en.html

Abstract:   (1494 Views)
Considering the vulnerability of double-layer grid space structures to progressive collapse phenomenon, it is necessary to pay special attention to this phenomenon in the design process. Alternate path method is one of the most appropriate and accepted methods for progressive collapse resistant design of structures. Alternate Path Method permits local failure to occur but provides alternate paths around the damaged area so that the structure is able to absorb the applied loads without overall collapse. Following the sudden initial local failure event, severe dynamic effects may arise which should be taken into account in determining the realistic collapse behavior of the structure. In this paper, a new methodology based on alternate path method is presented to apply dynamic effects of initial local failure. The method is called nonlinear dynamic alternate path method. Due to its capability to take account of dynamic nature of the failure, this method can be used to evaluate realistic collapse behavior of the structure and to investigate the vulnerability of the structure to progressive collapse phenomenon.
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Type of Study: Research | Subject: General
Received: 2014/10/25

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