Performance of Concrete Developed by Enhanced Gradation of Natural Fine River Sands by Partial Replacement of Waste Quarry Dust

Table 1

Physical properties of OPC.

Properties	Standard	Value	Limits
Standard consistency (%)	ASTM C187 [21]	30	—
Initial setting time	ASTM C191 [4]	95 min	≥45 min
Final setting time	ASTM C191 [22]	190 min	≤375 min
3 d mortar cube compressive strength	ASTM C109 [23]	15.7 MPa	≥12 MPa
7 d mortar cube compressive strength	ASTM C109 [23]	24.2 MPa	≥19 MPa
Fineness (passing #200 sieve) (%)	ASTM C204 [24]	93	≥90%