Under what circumstances is it appropriate/efficient to use post-tensioning versus conventional reinforced concrete slab? Specifically, I am designing a building with column spacing of either 15'-27'-15' in one direction and 29'-0" spans in the other direction. We can not have beams due...
We have T,Y,K typ tube to tube connections fillet welded in a project. In some cases the fit up gap is greater than the code allowable 3/16”. The code does not address what the remedial fix is for gaps larger than this. The erector is requesting to butter the base metal but putting an...