I perform a stability analysis according to the second-order analysis. Why is the partial safety factor γM1 used for a stress analysis in this case?

Answer

For cross-section and stability designs, the Eurocode provides for different partial safety factors. It is important to note if stability analyzes are carried out by applying the second-order analysis and applying imperfections as cross-section designs. In this case, reduce the resistances with γM1.

Keywords

Partial safety factor Stability analysis Cross-section check Gamma_M1

Reference

[1]   Eurocode 3: Design of steel structures - Part 1‑1: General rules and rules for buildings; EN 1993‑1‑1:2010‑12

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