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A platform for research: civil engineering, architecture and urbanism
On the plastic tripping of flatbar stiffeners
Abstract A simple model for plastic tripping of the web of a stocky T-strut subjected to axial compression is presented and the complete collapse behaviour of the model is analysed. The model is an extension of the Shanley model which has been proved useful in the past in understanding several aspects of inelastic column buckling. The column material is assumed to be elastic perfectly plastic. A closed-form solution is obtained for the post-ultimate load shortening behaviour of the present model strut. This solution is compared with the available experimental results and the previous analytical predictions based on Murray's plastic mechanism approach. It is shown that the present results are in better agreement with the experimental results than the previous analytical solutions. The present model grasps the main features of the post-ultimate collapse phenomenon, including tripping of the web and elastic unloading in a part of the cross-section.
On the plastic tripping of flatbar stiffeners
Abstract A simple model for plastic tripping of the web of a stocky T-strut subjected to axial compression is presented and the complete collapse behaviour of the model is analysed. The model is an extension of the Shanley model which has been proved useful in the past in understanding several aspects of inelastic column buckling. The column material is assumed to be elastic perfectly plastic. A closed-form solution is obtained for the post-ultimate load shortening behaviour of the present model strut. This solution is compared with the available experimental results and the previous analytical predictions based on Murray's plastic mechanism approach. It is shown that the present results are in better agreement with the experimental results than the previous analytical solutions. The present model grasps the main features of the post-ultimate collapse phenomenon, including tripping of the web and elastic unloading in a part of the cross-section.
On the plastic tripping of flatbar stiffeners
Bhat, S.U. (author) / Wierzbicki, T. (author)
Thin-Walled Structures ; 7 ; 281-300
1988-06-07
20 pages
Article (Journal)
Electronic Resource
English
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