With concrete construction and repair, use of fast-setting cementitious materials is often the best way to ensure crews can work around the weather and traffic challenges. The key to success often is in specifying rapid-hardening, durable cement products that are easy to mix and place. Products used include CR Concrete Resurfacer, Corrosion Inhibitor, DOT Repair Mix, V/O Repair Mix, and WunderFixx.
Albertis completed a comprehensive rehabilitation program for the more than 20-year-old bridge, which involved various levels of repair. With the airport on one end and a premier shopping destination (the Mall of San Juan) on the other, the bridge is subjected to a high level of vehicle traffic. The goal was to perform repairs with minimal road closures for drivers. Products used include Cement All, Corrosion Inhibitor, CR Concrete Resurfacer, DOT Repair Mix, Mortar Mix, V/O Repair Mix, WunderFixx.
When the pipes and culvert sections are placed in the yard for curing, Hanson pipe finishers and repair crews inspect them and make repairs as needed. The most common patches are made around the joints, where the pipes seat together, as these areas must be flat and smooth to achieve a proper seal. Products used include Cement All, Dark Concrete Additive, DOT Repair Mix, or Mortar Mix.
The Puerto Rico International Airport had a yearlong maintenance program to repair the runways without having to shut them down. The maintenance crew successfully performed partial-depth concrete slab and joint repairs, and returned those repaired portions of runway back to service during a two-hour window to not disrupt scheduled flights. Products used include DOT Repair Mix, FLOW Control, and SET Control.