Preliminary Examination of the System Fly Ash-Bottom Ash-Flue Gas Desulphurization Gypsum-Portland Cement-Water for Road Construction

Table 1

Chemical compositions of the materials.

Component	FA (%)	BA (%)	FGD gypsum (%)	PC (%)
SiO2	52.27	43.39	0.63	22.03
Al2O3	22.34	15.70	0.14	3.87
Fe2O3	6.05	5.83	0.38	3.25
CaO	6.64	2.64	32.80	64.37
MgO	4.41	3.69	2.18	1.43
SO3	2.74	1.98	45.72	1.98
Na2O	0.41	0.33	—	0.21
K2O	1.36	1.02	—	0.63
Loss on ignition	1.85	8.91	1.16	1.00
Crystal water	—	—	17.18	—