According to Indian Standards, the minimum 7 days compressive strengths of ordinary Portland cement and portland pozzolana cement in N/mm^2 are reapectively

- 1
  
  15.5 and 15.5
- 2
  
  21.5 and 15.5
- 3
  
  15.5 and 21.5
- 4
  
  21.5 and 21.5

Display Comments

Leave a comment

Login at first then you can submit comment. Click here to login.