I have imported a SHAPE‑THIN cross-section and calculated it using STEEL EC3. Why is the cross-section not designed plastically?

Answer

For general cross-sections, also including SHAPE-THIN cross-sections, the elastic design can only be performed in RF-/STEEL EC3: Plastic interactions are only applicable to a few cross-section shapes.

Keywords

cross-section design cross-section classification ultimate limit state elastic plastic

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