If you have surface spalling and concrete delamination of bridge decks, you need to perform:

 

Hydro-Blast Inlay for Bridge Deck Repair

 

Bridge decks are susceptible to surface spalling and deterioration of the concrete above the top mat of reinforcing steel. When this occurs, the most effective solution is to fully remove the damaged material and replace it with high-strength, often fiber-reinforced, repair materials.

The removal of compromised concrete is best accomplished using high-pressure waterblasting (hydro-blasting), which effectively chips away the deteriorated material to the desired depth without damaging the underlying structure. In many cases, engineers choose to hydro-blast the entire bridge deck to ensure a uniform and consistent repair surface across the structure.

Thorough cleaning of the hydro-blasted surface is critical to ensure proper bonding of the new repair material. Since fast-setting, high-strength materials can be challenging to place with a smooth finish, the International Grooving and Grinding Association (IGGA) recommends that diamond grinding be considered a necessary final step. This ensures the repaired deck meets ride quality and surface texture requirements.