Physical and Mechanical Properties of Cemented Ash-Based Lightweight Building Materials with and without Pumice

Table 1

Chemical analysis of waste ashes and pumice.

Element (%)	Raw material
	Pumice	IFA	GBA	BBA
SiO2	70.09	58.05	27.36	27.98
Al2O3	11.92	21.23	12.68	10.30
Fe2O3	2.74	6.73	8.23	—
CaO	3.84	4.76	39.31	7.97
MgO	0.88	1.71	0.74	1.64
SO3	0.10	0.15	5.94	10.35
K2O	2.71	1.80	0.43	0.82
Na2O	4.70	—	1.88	0.46
Cl	0.13	—	—	—
P2O5	—	0.20	—	0.35
TiO2	—	1.22	—	7.97