Table 1: FE model validation on tests [6, 7].

Section Grade σ0.2 σu n Column slenderness Concentric Eccentric
[MPa] [MPa] [-] FEXP/FFEM FEXP/FFEM
SHS 60x60x5 Class 1 1.4301 462.5 753.0 3.39 0.31 1.07 1.10
0.75 1.21 1.22
1.21 1.11 1.14
1.67 1.04 1.10
RHS 150x100x3 Class 4 1.4301 305.0 627.0 4.80 0.25 1.18 1.23
0.61 1.19 1.19
0.98 1.13 1.20
1.35 1.19 1.14
I 80x10+160x6 (flanges + web) Class 2 1.4301 300.0 620.0 6.00 0.40 0.97 0.91
0.69 1.00 0.96
0.96 0.98 1.03
I 160x10+160x6 (flanges + web) Class 2 1.4301 300.0 620.0 6.00 0.36 0.96 0.88
0.60 0.95 0.93
0.90 1.03 0.94

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