Portland Composite Cement (PCC):
Specification and Composition:
Test | Age | Standard Requirements (ASTM C-595) | BUET Test Result |
Compressive Strength (psi) | 3 days | 1890 | 2400 Minm |
7 days | 2900 | 3400 Minm | |
28 days | 3620 | 4500 Minm | |
Setting Time (minutes) | Initial | >45 | 160-190 |
Final | <420 | 360-410 | |
Fineness (m2/kg) | – | Minimum 280 | 360-420 |
Portland Cement (PC)
Specification and Composition:
BDS EN 197-1:2003, CEM-I, 52.5 N.
ASTM C-150, Type – I
Clinker : 95-100%
Test | Age | Standard Requirements(ASTM C-150) | BUET Test Result |
Compressive Strength (psi) | 3 days | 1740 | 3200 Minm |
7 days | 2760 | 4200 Minm | |
28 days | 4060 | 5000 Minm | |
Setting Time (minutes) | Initial | >45 | 120-150 |
Final | <375 | 340-400 | |
Fineness (m2) | – | Minimum 280 | 340-400 |