I suppose if less than 0.2% it is plain concrete by definition? I used principles from ACI 360 R92 with respect to relief cuts and reinforcement for crack control.
Curious on this, I've got 3rd party review telling me my slab-on-grade design is under-reinforced. It's a simple SOG for a shop, no racking or special loading considerations. Basically just pickup trucks and materials. I've applied subgrade drag method for crack control only, and IMO the...