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Paper Information

Journal:   INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN)   Fall 2003 , Volume 14 , Number 4; Page(s) 123 To 137.
 
Paper: 

CRACK GROWTH PREDICTION BASED ON THE MAXIMUM HOOP STRAIN CRITERION - PLANE STRESS

 
 
Author(s):  AYAT ELAHI M., ABBASI H.
 
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Abstract: 

There are a few criteria for predicting fracture in cracked specimens. In this paper, the maximum hoop strain criterion is employed to study mixed mode IM fracture. The structure, therefore three criteria for finding the critical members in steel space frames have been presented, namely, load carrying capacity criterion, strain energy criterion and stiffness criterion. It has been shown that the static alternate path analysis is only an approximate simulation of the progressive collapse phenomenon and this analysis is not adequate by it self. Consequently dynamic alternate path analyses must be undertaken to evaluate accurately the progressive collapse behaviour of the structures. Also in this study, the effects of strengthening grids on the behaviour of steel space frames have been evaluated. Finally, the obtained results from the alternate path analyses have been used to draw some important conclusions and to suggest some general recommendations for progressive collapse resistant design of steel space frames.

 
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