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

Table 2

Chemical analysis of the cement and fine aggregates.

Sand	Element (%)
	SiO2	Al2O3	CaO	SO3	Fe2O3	MgO	L.O.I
Cement	21.15	5.12	60.40	2.42	3.22	1.72	3.62
LP	89.40	2.90	2.24	0.051	1.40	0.60	2.64
RS	92.2	2.56	0.84	0.041	1.14	0.90	1.88
CS	91.1	2.25	0.56	0.034	1.34	1.80	2.66
C	62.4	9.52	9.24	0.059	5.43	3.10	9.26

L.O.I:  loss of ignition