Failure analysis of thin-walled composite channel section columns

The paper presents the numerical and experimental results of investigations into nonlinear stability and limit states of axially-compressed thin-walled composite columns with channel section. The primary aim of the research was to examine the process of composite failure using the finite element met...

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Bibliographic Details
Published in:Composite structures 2015-11, Vol.132, p.567-574
Main Authors: Debski, Hubert, Jonak, Jozef
Format: Article
Language:English
Subjects:
Channels
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Columns (process)
Composite column
Composite structures
Failure
Failure mechanism
Finite element analysis
Finite element method
Limit states
Mathematical models
Post-buckling state
Thin walled
Thin-walled structures
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Summary:The paper presents the numerical and experimental results of investigations into nonlinear stability and limit states of axially-compressed thin-walled composite columns with channel section. The primary aim of the research was to examine the process of composite failure using the finite element method. The phenomenon of composite failure was described by the Tsai–Wu failure criterion using the commercial software suite ABAQUS®. The numerical results were then compared with the results of experiments wherein physical models of channel section structures were subjected to a full range of load conditions until their failure. This approach provided instant validation of designed FEM numerical models for describing limit states of the tested structures.
ISSN:0263-8223
1879-1085
DOI:10.1016/j.compstruct.2015.05.067