Feasibility Study of Expanded Clay Aggregate Lightweight Concrete for Nonstructural Applications

Table 6

XRF analysis of clay and fly ash.

Sample name	Chemical composition
	SiO2	Al203	Fe2O3+FeO^a	Na2O^a	K2O^a	MgO^a	CaO^a	TiO2	SO3	SiO2/
Clay	58.57	17.69	6.90	0.56	3.04	2.88	1.32	0.81	0.00	3.98
Fly ash	51.53	22.43	8.84	0.23	0.39	3.18	4.84	1.62	2.75	2.95

^aFluxing oxides.