stressed, thank you for your attention but as I mentioned before I have nothing to do with the unbraced length factors. Try to go through my previous post again.
IJR, thank you for your response.
Sap2000 does calculate K factor for any member regardless of its position in space. However, as you mentioned, last thing people should do is to rely on them. (which is also indicated software's own design manual.)
Sap2000 includes several checks for each...
In design manual for AISC360-05/IBC2006, it is written that;
"For the purpose of calculating K-factors , the objects are identified as columns, beam and braces. All frame objects parallel to the Z -axis are classified as columns. All objects parallel to the X -Y plane are classified as beams...
