thanks for the responses.
It makes sense in my head that if the beam is designed as 'non composite' it will therefore be oversized for its 'composite' equivalent(even though i will not have full composite action as there is not enough shear studs on all the beams in question).
Quick question,
I have designed a suspended floor system using CSC Building Designer, where the most economic design was for the beams perpendicular to the span on decking to be designed as 'Composite' with shear studs, and the beams parallel to the span and edge beams to be designed as...