Attention! Shear buckling resistance should be checked according to EN 1993-1-5

When you double click a bar after a steel verification, you might see the warning:

Cause

EN 1993-1-1 §6.2.6 (6) states that shear buckling for webs without intermediate stiffeners should be checked according to EN 1993-1-5 if

$\frac{h_{w}}{t_{w}}= 72 \cdot \frac{\varepsilon}{\eta}$

Diamonds shows the warning when the condition is met.