Concrete slabs typically experience shrinkage of 1/8 inch for slab sections 20 feet long. If joint spacing is 10 feet, then each joint would open 1/16 inch wide. Comparably, saw cuts are typically ...

Thus ACI 318-11 Chapter 4 can be used to determine when and how much calcium chloride can be added to a concrete slab-on-grade. For prestressed concrete or concrete containing embedded aluminum ...