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Concrete Filled Steel Columns

Concrete Filled Steel Columns

Concrete Filled Steel Columns

(OP)
The new steel code has 115 pages of tables for axial capacity of composite concrete filled tubes, HSS, pipe columns, etc.  From what I can see in the tables, there doesn't seem to be a whole lot of axial advantage to doing this.  Does anybody use these, or is my steel code just 115 pages thicker than it needs to be?

RE: Concrete Filled Steel Columns

Enhanced fire resistance ratings... check with CIDECT

Dik

RE: Concrete Filled Steel Columns

There's not much difference in axial load capacity for short, thick-walled tubes.  But there's a big difference for slender tubes.

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