Influence of Bottom Ash Replacements as Fine Aggregate on the Property of Cellular Concrete with Various Foam Contents

Table 1

Physical and chemical properties of materials.

	Cement	Sand	Bottom ash
Physical properties
Specific gravity	3.14	2.56	2.10
Absorption (%)	—	1.21	6.18
Moisture content (%)	—	0.47	0.43
Voids (%)	—	34.6	46.8
Fineness modulus	—	2.76	2.10
Blaine fineness (cm^2/g)	3,270	—	—
Median particle size (micron)	13.0	—	290
Retained on sieve number 325 (%)	10.8	—	94.5
Chemical composition (%)
SiO2	20.62	92.86	46.02
Al2O3	5.22	3.17	22.31
Fe2O3	3.10	0.27	10.64
CaO	65.00	0.55	11.48
MgO	0.91	0.49	3.45
K2O	0.07	0.32	2.37
Na2O	0.50	0.42	0.07
SO3	2.70	0.55	1.76
LOI	1.13	0.67	4.03