Dowel bars
Placed across transverse joints at the mid-depth of the slab.
Transfer load from one slab to another without preventing the joint from opening.
Commonly made of round, smooth, epoxy coated steel bars.
Reduce joint faulting and corner cracking.
Tie bars
Placed across longitudinal joints at the mid-depth of the slab.
Prevent lanes from separation and differential deflection.
Made of deformed epoxy coated steel.
Reduce transverse cracking.
Nice