Patching and Full-Depth Panel Repair

While the vast majority of field trials have focused on the use of internal curing for bridge decks, field trials performed in Indiana in 2014 used internal curing with expanded slag aggregate in high early-strength, full-depth concrete pavement patches (Figure 3). The application of internal curing in the high early-strength patches provided a concrete with two distinct benefits when compared with conventional concrete: 1) reduced built-in stress caused by the restraint of shrinkage, which resulted in reduced cracking, and 2) increased water curing (from inside the concrete) after the patches are covered with curing compound and opened to traffic.