Sealing the concrete prematurely traps rising bleed water and air beneath the top surface creating weak or soft zones directly beneath the slab’s surface. Mixing bleed water into the surface or ...

But don’t lose hope—there’s a feature rising in popularity in apartment ... sometimes called a sunken slab, is a layer of concrete built below the floor. Typically, it is used above the ...

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 ...