Improving Carbonate Saline Soil in a Seasonally Frozen Region Using Lime and Fly Ash

Table 1

Main chemical components of lime and fly ash.

Component	SiO2; /(%)	Al2O3; /(%)	Fe2O3; /(%)	CaO; /(%)	MgO; /(%)	SO3; /(%)	Loss on ignition; /(%)
Lime	3.445	—	—	82.40	7.28	0.62	2.02
Fly ash	51.75	32.30	7.56	3.87	0.93	0.60	1.44