aluminium eurocode checks

[andy]

Hello I have a question about eurocode checks for aluminium beam sections perfomed in DLUBAL.

Is it possible to specify holes on specific section positions (i.e. perform eurocode 9 checks with the net section reduction due to holes)?
For instance, for the bending moment, the application of eq. 6.24 of EN 1999-1.


Thanks,
Andy

[Frank Faulstich]

Hello. Please apologize for the long time taken to reply. I had to deal with the topic first.

Unfortunately it is currently not possible to consider profile reduction according to the equation 6.24.

Frank Faulstich

[andy]

Thank you Frank for the clarification.

Altough code checks for aluminium, considering all possible cases, are rather involved (especially if partial HAZ zones are present within a section), the holes are one of the most important aspects of some aluminium alloys (i.e. dominate the resistance). I hope you will consider implementing this feature.


At the moment I perform nearly all code checks manually, due to the many possible cases. For instance, if I need to calculate the resistance of a section partially softened due to a transversal TIG weld (in this particular case, only on the right side of the section: herebelow in red is shown the weld position), I have to compute section properties of the "partially reduced" section (considering the HAZ extension due to TIG: 30 mm).



It is a time-consuming process. Hope in the future all these possible cases will be incorporated in the dlubal design module.

Best regards
Andy