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2025-08-21

Structural Design According to AISC

I have a simply supported vertical column subjected to a normal compressive axial force.
I design the structure according to AISC 360-22, and I would expect a stability analysis according to Chapter E. However, the design checks are performed according to Chapter H.
What am I doing wrong?


Answer:

The cause is that you have the Torsional Warping add-on enabled. The American standard does not take this into account, so it switches to a general stress design.

If you deactivate the add-on, the design will be performed according to Chapter E.


Author

Ing. Martinec takes care of customer service and student licenses in the Czech office.



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