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Applcation of generalized plasticity model in square CFT column analysis

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Authors
Kostić, Svetlana M.
Filippou, Filip C.
Deretić-Stojanović, Biljana
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Abstract
In the paper, an efficient three-dimensional concentrated plasticity nonlinear beam-column element is used for the simulation of the response of square CFT columns. The element adopts the concept of the generalized plasticity material model for the section resultant - element deformation relation and has plastic hinges located at the ends of the element and described with yield and limit surfaces. Determination of the adequate element parameters which are essential for a successful description of the CFT member behavior is discussed. Among these parameters, most important are the stiffness and yield surface parameters.
Keywords:
Beam-column element / CFT columns / Generalized plasticity / Nonlinear analysis / Resultant plasticity
Source:
ECCOMAS Thematic Conference - COMPDYN 2013: 4th International Conference on Computational Methods in, 2013, 3523-3535
Publisher:
  • National Technical University of Athens
Scopus: 2-s2.0-84898954587
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URI
http://grafar.grf.bg.ac.rs/handle/123456789/548
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  • Radovi istraživača / Researcher's publications
  • Катедра за техничку механику и теорију конструкција
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