Designing the steel building to a fixed base connection makes each column of a building like a flag pole; the entire moment load has t...

​Fixed Steel Column Base Design


Designing the steel building to a fixed base connection makes each column of a building like a flag pole; the entire moment load has to be carried by the supporting foundations. 
While this design makes for a cheaper steel building, the supporting foundation is required to be much more substantial and more costly. For a typical steel building, the overall cost of a pinned based design is more economical than fixed bases. 

Only under very specific, specialized building shape, use and location is a fixed base design more advantageous to a pinned base.
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