BS EN 1504: Part 3: Structural and non-structural repair - requirements for repair Principles 3, 4 & 7
This standard BS EN 1504-3 provides performance characteristics and requirements for structural and non-structural repair products under the following 3 repair principles.
Principle 3. Concrete Restoration
Principle 4. Structural Strengthening
Principle 7. Preserving or Restoring Passivity
Certain parameters/property of the repair mortar are required for certain principle and are verified in the following table:
Repair Mortar for concrete repair is classification as per this standard will be of 2 main classifications and again into 2 subdivisions each.
1. Non-Structural Repair mortar:
a. Class R1 – Low-performance repair mortar
b. Class R2 – Medium performance repair mortar
2.Structural Repair mortar: a. Class R3 – Good performance
b. Class R4 – High performance
The requirement of mortar shall be as follows :
Many thanks to Google, Doc88.com.... from where the details were collected.
