Abstract
The thin-walled composite columns with an open cross-section reinforced by intermediate stiffener under axial compression have been considered. The finite element method is employed to study the buckling behaviour of the thin-walled composite column. Eigenvalue analyses are carried out first to predict the buckling load and buckling mode shapes of the column, and then the geometric nonlinear analyses are performed to investigate the nonlinear buckling properties and post-buckling behaviour of the thin-walled structures. The type of angle ply symmetric laminate is used. The investigation is performed over several values of ply arrangement angle and various values of stiffener parameter. The numerical results show a significant effect of the intermediate stiffeners and composite ply angle on loading capacity and buckling behaviour of the thin-walled composite column. The research provides insight into the thin-walled structure and composite laminate, which is employed to enhance the loading capacity of thin-walled composite structures.
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Lee, J., Nguyen, H.T. & Kim, SE. Buckling and post buckling of thin-walled composite columns with intermediate-stiffened open cross-section under axial compression. Int J Steel Struct 9, 175–184 (2009). https://doi.org/10.1007/BF03249492
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DOI: https://doi.org/10.1007/BF03249492