Mechanical Properties of High-Strength High-Performance Reinforced Concrete Shaft Lining Structures in Deep Freezing Wells

Table 1

Chemical composition of silicon powder and ground slag (%).

Component	SiO2	Al2O3	Fe2O3	CaO	MgO	SO3
Silicon powder	92.6	0.78	0.59	0.8	1.0	0.81
Ground slag	35.3	8.93	1.26	42.2	6.9	2.0