The Effect of Acid Mine Drainage Corrosion on the Creep Deformation of Cemented Gangue Backfill

Table 1

Physical composition of coal gangue.

Substances	Proportion	Substances	Proportion (%)
SiO2	47	TiO2	1.24
Al2O3	32.66	P2O5	0.17
Fe2O3	1.01	Na2O	0.29
CaO	1.18	K2O	3.09
MgO	0.42	MnO2	0.009
SO3	0.18	Loss on ignition	12.64