A Comparative Study on the Thermal Conductivity of Concrete with Coal Bottom Ash under Different Drying Conditions

Table 2

Chemical composition of coal bottom ash, fly ash, and OPC.

Component	CBA (%)	Fly ash (%)	OPC (%)
Al2O3	26.20	22.10	4.59
CaO	3.93	6.42	65.00
SiO2	55.70	55.80	17.60
Fe2O3	7.53	9.26	3.43
K2O	1.17	1.30	1.13
Na2O	0.76	1.33	0.19
MgO	1.09	1.69	3.53
SO3	0.76	—	3.76