Member stability check

[vitor.teixeiraHKKZG]

Hi

I have created a structure with 2 floors with same load applied at each floor. After calculation I have some beams with member stability check and others not. What is the explaine for this? The member type is the same for the beams.

[Simau]

Hi @vitor.teixeiraHKKZG 

insufficient informations
Share your model (zipped) and specify the concerned beams

[vitor.teixeiraHKKZG]

The example of beams are 24 (no estability checked) and 33 (stability checked)

[Simau]

@vitor.teixeiraHKKZG 

None of them are checked. The slightly difference in the ratio is du to the offset you added to member 33

[vitor.teixeiraHKKZG]

That's correct but my question is why in the beam 33 you have the stability checked and on the beam 24 not checked?

[Simau]

@vitor.teixeiraHKKZG 

It's because member type viga is not correct.

Use instead viga_V1

[vitor.teixeiraHKKZG]

Even if I make the change on the member type still don't have the buckling parameters in one of the beams (24).

Why can't have the same parameters in both beams?

Thanks!

[Simau]

Update member type viga as in the picture below and save it.

Model attached

[vitor.teixeiraHKKZG]

I made the changes and the result is this...

[teixeiranh · Accepted solution]

Hello,
The reason why you have that extra buckling verification is because you have compression in the beam. 

Take a look at the axial forces, for the one with the verification you have compression, for the other you have tension. Tensioned elements do not buckle. 

BTW: you have a beautiful surname hehehe

[vitor.teixeiraHKKZG]

Hi Teixeira

Understood now!

Great name you have!

Thanks 😎

[umut.akparlar]

You need to make sure assign the correct beam parameter to the beam in question then re analyse it to see the results.