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2017-12-01

Buckling Analysis with Critical Load Factor Below 1 in PLATE-BUCKLING

When performing design with PLATE‑BUCKLING, all design checks are fulfilled. Nevertheless, the critical load factor is smaller than 1. Is the design fulfilled or not?

Answer:

This issue is quite possible because the load critical factor is calculated without the influence of plastic reserves - that is, purely elastic.

However, the buckling design according to EN 1993‑1‑5 activates the plastic reserves. The design is thus fulfilled.

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