Hello,
I'm writing this post while testing cold formed purlin design taking advantage of steel sheeting stiffness (Eurocode 3 - EN1993-1-3).
This is an eurocode and robot doubt, taking a look on a random purlin detailed result there is CDA: rotational stiffness of the connection between the sheeting and the purlin. Eurocode expression is: CD,A=C100.kbA.kt.kbR.kA.kbT, where for gravity loads kA has 4 expressions depending on sheeting position and thickness, but all depending from "A: load introduced from sheeting to beam". How is robot calculating this value A?
Thanks in advance,
Best Regards,
RR
A is assumed as the maximal value allowed by the the point 10.1.5.2.(5) = 12 kN/m
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Thanks Artur but in fact, as far as i could understand, using the highest boundary of "A" lead us to optimistic (non-conservative) approach. This is not we expect from design software (if it was a conservative approach, i was ok with it).
If possible please take a look to this issue.
Thanks,
RR
I have added the request for the manual definition of A value to the wish list.
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As there are 3 ways of calculating CD,A and two for CD,C I have created the request for the possibility of manual definition of CD (10.1.5.2(1))
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