Table 1 Properties of OPC53 grade cement and fly ash.
S. no. | Requirements | OPC 53 Grade | Fly ash |
|---|---|---|---|
1 | Fineness amount | 282.45 m2/kg | 379.40 m2/kg |
2 | Compressive strength 3 days Compressive strength 7 days Compressive strength 28 days | 29.50 MPa 41.90 MPa 55.15 MPa | 22.80 MPa 30.92 MPa 43.35 MPa |
3 | Initial setting time | 165 min | 171 min |
4 | Final setting time | 303 min | 309 min |
5 | Soundness value | 0.75 mm | 0.93 mm |
6 | Standard consistency | 30% | 29% |
7 | Specific gravity | 3.10 g/cc | 2.16 g/cc |