Portland Composite Cement (PCC):
Specification and Composition:
BDS EN 197-1:2003, CEM II/B-M (S-V-L) 42.5N.
ASTM C-595
Clinker 65-79%
Slag
Fly Ash
Limestone 21-35%
Gypsum 0-05%
Test Result:
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%
Gypsum 0-05%
Test Result:
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
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