Eligible tensions

[dragonix]

Hello everyone,
I have to check through fem a steel structure (a workshop bench).
the structure is of fe 510b. I had a doubt about the admissible tension to consider.
the Norman uni cnr 10011 proposes, for calculation to the admissible voltages, an admissible voltage of 240 mpa in front of a yielding voltage of 355 mpa.

next to this rule there is the eurocode 3 for the design of steel structures: Does this rule apply only to structures for civil use?

in the mechanical design of structures like what I mentioned, what tension should we take as reference?

Thank you for the answers

 

[gerod]

1. is called s355jr and not fe510b
2. cnr10011 is still used by many though withdrawn.
3. decide what security margin you want to hold. 240 mpa is the one that is usually used for safety.
4. Eurocodes can also be used for other areas, as well as civilians. here we talk about sl.
I would take the cnr10011. If it were a machine then you should consider a minimum safety coeff on the yield of 1.5.

Hi.

 

[dragonix]

thanks for the answers.:finger:
for a welded area, leaving the uncertainty of the fem, the tension to be considered is 85% of the admissible?

Hi.

 

[gerod]

depends on the class of the joint:
if the joint is class i, take 100% voltage
if the joint is classy you take 85%
Hi.