Investigation of Engineering Properties and Solidification Mechanism of Loess by Sodium Silicate Alkali-Activated Coal Gangue Powder

Table 1

Main chemical composition of loess (%).

SiO2	AL2O3	CaO	MgO	K2O	Fe2O3	Na2O
40.31	19.03	17.36	6.73	4.5	7.52	2.05