Frost Resistance of Desert Sand Concrete

Table 3

Chemical composition of fine aggregate.

Material	SiO2 (%)	FeO (%)	Al2O3 (%)	CaO (%)	MgO (%)	K2O (%)	Na2O (%)	Loss on ignition (%)
Artificial washed sand	86.65	1.08	9.85	1.20	1.19	-	-	-
DS	82.66	1.85	8.72	2.00	1.51	0.12	0.07	0.49