UNDERWATER REPAIR OF CONCRETE STRUCTURES I

In this lecture video, You will learn the methods of UNDERWATER REPAIR
OF CONCRETE STRUCTURES.
1. Underwater concrete structures are prone to damage due to many reasons. There are some methods which are specially adapted to repair these damages.
2. Care should be taken to ensure that the damaged area is not contaminated before the application of the repair material.
3. The material used for the repair should be compatible with its underwater usage while placing as well as curing.
4. SURFACE SPALLING REPAIR.
5. LARGE SCALE REPAIR.
6. PREPLACED AGGREGATE CONCRETE.
7. INJECTION TECHNIQUE.
8. GUNITING OR SHOTCRETE METHOD.
9.STEEL SLEEVE REPAIRING TECHNIQUE.
10. SPECIAL FEATURES OF UNDER WATER REPAIR OF CONCRETE.
11. FORMWORK FOR SURFACE SPALLING REPAIR.
12. FOR PLACEMENT OF BULK REPAIR MAT­ERIAL UNDER WATER.
13. PREPLACED AGGREGATE CONCRETE METHOD.
14. UNDER WATER CRACK INJECTION ARRANGEMENT.
15. GROUT INJECTION INTO THE CRACK INJECTION OF EPOXY OR MORTAR.