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

Table 6

Cost analysis.

Mix type			Control		NRS-NC		RS-NC		RS		NCS-NC		CS-NC		CS
Material	Units	Unit rate (PKR)	Qty	Cost (PKR)	Qty	Cost (PKR)	Qty	Cost (PKR)	Qty	Cost (PKR)	Qty	Cost (PKR)	Qty	Cost (PKR)	Qty	Cost (PKR)
Cement	Bags	550	9	4950	9	4950	9	4950	9	4950	9	4950	9	4950	9	4950
Pit sand (LS)	m^3	2295	0.47	1079	—	—	—	—	—	—	—	—	—	—	—	—
Chenab sand (CS)	m^3	1060	—	—	—	—	—	—	—	—	0.24	254	0.2	212	0.5	530
Ravi sand (RS)	m^3	565	—	—	0.26	147	0.21	119	0.54	305	—	—	—	—	—	—
Quarry dust (NC)	m^3	1060	—	—	0.24	254	0.29	307	—	—	0.24	254	0.29	307	—	—
Sargodha crush	m^3	2649	0.69	1828	0.69	1828	0.69	1828	0.69	1828	0.69	1828	0.69	1828	0.69	1828
Total cost (PKR)			7856		7179		7204		7083		7287		7297		7308
Difference w.r.t control mix (%)			0.0		−8.6		−8.3		−9.8		−7.3		−7.1		−7.0