Retrofitting of existing structure
Methods of Retrofitting of Building
1. Adding New Shear Wall:
2. Adding Steel Bracing
Retrofitting of structure by steel bracing
3. Wall Thickening Technique
Wall thickening technique
4. Base Isolation Technique
Base isolation technique
5. Mass Reduction Technique
Mass reduction Technique
6. Jacketing Method:
7. Fiber Reinforced Polymer (FRP)
8. Epoxy Injection Method
Epoxy injection is an economical method of repairing of non-moving cracks in the concrete walls, slabs, columns, and piers. In retrofitting of building, epoxy injection is used to fill and repair the structural fault.
It is capable of restoring the strength of concrete to its pre-cracked strength.
The epoxy tensile bond to the concrete is stronger than the tensile strength of concrete.
Strengthening is provided by installing additional reinforcement across the failure plane in combination with the epoxy resin injection.
9. External Plate Bonding
10. Section-Enlarging Reinforcing Method
Section enlargement technique