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Lat. Am. j. solids struct. vol.14 número12

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Table 1: Selected S45 and S90 beams cross-section geometrical parameters.
Figure 1: Curves M cr  vs. L concerning (a) F and (b) P beams for S45 ( 1 ) and S90 ( 2 ) 075 cross-section,   indicating the selected lengths (L D ) and the corresponding distortional buckling/bifurcation mode shapes
Figure 2 depicted the two types end support conditions considered in this work: F and P beams
Figure 3: Elastic equilibrium paths M/M crD   vs. |δ|/t of the F (a) and P (b) for S45 ( 1 ) and S90 ( 2 ) beams
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