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why steel frame beam automatically changed to composite beam

Thread starter donnabean
Start date Dec 16, 2013

Status: Not open for further replies.

Dec 16, 2013

donnabean

Structural

Hello all,

I am learning Etabs by building a fake small project model. I noticed that the steel frame beams all automatically changed to composite beams because the design procedure showed as composite beam after I applied roof steel deck, which no concrete on top at all.
Any input will be welcomed.