Non-linear lateral buckling analysis of aluminium alloy channel beams
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This research paper presents the comparative analysis of lateral-torsional buckling resistance of structural aluminium alloy members, accounting for the effects of initial geometrical imperfections. The results of non-linear numerical analysis, conducted using ABAQUS software, are compared with the results obtained by utilizing the procedure for calculation of LTB resistance suggested by EN 1999-1-1. The purpose of the analysis is the assessment of accuracy of the above-mentioned code-prescribed design method using the real Al channelsection members with initial imperfections on which the load does not act in the shear centre.
Keywords:aluminium / critical moment / channel / lateral-torsional buckling / imperfections
Source:ASES International congress proceedings / Association of Structural Engineers of Serbia, 15th Congress, September 6-8th, 2018, Zlatibor, 2018, 456-464
- Društvo građevinskih konstruktera Srbije, Beograd