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Staad Pro output

Staad Pro output

Staad Pro output

(OP)
Hi I am trying to analyze wood frame with bracing. I have attached my staad file for review. I am just checking forces in every member. I have moment and axial load in member 10 and 11 if i will use design option in input, but if i see only analysis results it does show any axial loads and moment. And if its just axial bracing why it has moment ? can somebody please take a look and suggest what is wrong in file.

RE: Staad Pro output

this post is very hard to read/ understand.
It seems to have been hastily written.

consider rewriting the post and you may receive help.

RE: Staad Pro output

Provide a sketch of the structure with loads.

BA

RE: Staad Pro output

I have no idea what you're really asking, and I don't have STAAD on this computer, but looking at it in notepad you've got a lateral load and a vertical load but you only have one direction of moment released on the bracing nodes (MZ in this case).  You'll have moment transfered into the bracing on the other axis.  

If you want them to be axial only you either need to release the other moment as well (as well as torsion if you've somehow got that), or just set them as truss members.  

 

RE: Staad Pro output

I don't think I'm fully understanding your question either.

FIRST
These are answers your supervisor should be providing to you.

SECOND
I ran it, and didn't get any forces what-so-ever in members 10 & 11.  These members span from pinned support to pinned support, with no external loads applied, therefore, they have zero forces in them.

Since you are only applying vertical load directly to the horizontal members, your MZ release is adequate,
BUT....
If your intention is for these members to also act as a diaphram from lateral load in the Z direction, you would also need to release MY.

Also, you need to add SELFWEIGHT Y -1 to your dead load case.

 

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