Issue
Concrete damage due to a chemical attack and erosion from a mechanical process
Cause
Due to the nature of the process, the chemical attack caused degradation of the concrete substrate and paste. Mechanical erosion from the mixing process eroded the structural floor and walls in the mixing chambers.
Constructability
The sump was isolated, blinded and bypassed for the repairs to take place. An initial work scope was developed for known visual conditions, once the sump was cleaned and dewatered, a more tactical investigation was performed, quantities and repair.
Repair Methodology
With feedback from Béton’s construction team and suppliers, Béton :
- Partial and full depth repairs were completed on concrete vertical surfaces
- Full to partial depth repairs were made on the structural floor within the mixing chamber
- All concrete surfaces were abrasive blasted to manufacture’s specifications
- All concrete surfaces received a reinforced vinyl ester coating system with two topcoats for chemical protection and abrasion due to water movement
Contact Us
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