Double sections treated as solid (EN1995-1-1)

[Tuctas]

When we select the option: "Double sections treated as solid", when defining the member's parameters in EC5, how exactly Robot handles these sections? 

[Artur.Kosakowski]

The difference is in IX calculations (LTB verification).

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[Tuctas]

Thank you Artur,

So, only the parameter of Ix differentiates (someone can notice that from the calculation note indeed). Which calculation formula is being used to obtain Ix in such cases?

[Artur.Kosakowski · Accepted solution]

If you find your post answered press the Accept as Solution button please. This will help other users to find solutions much faster. Thank you.