[Retracted] Experimental Study on Mineral Solid Waste Green Grouting Material Based on Electromagnetic Characteristic Detection

Table 1

Cement properties content and other natural requirements.

Chemical composition	SiO2	Fe2O3		Al2O3	CaO	MgO		SO3		Loss
Content (%)	22.63	3.83		5.71	58.95	1.89		2.62		4.37
	Chemical composition content (%)			Specific surface area	Water requirement of normal consistency (%)	Setting time (min)		Flexural strength (MPa)		Compressive strength (MPa)
	Loss	MgO	SO3	m^2/kg		Initial setting	Final setting	3 d	28 d	3 d	28 d
Index requirements	≤5.0	≤5.0	≤3.5	≥300		≥45	≤600	≥3.5	≥6.5	≥17.0	≥42.5
Experimental data	4.37	1.89	2.62	354	27.5	182	235	5.7	7.8	31.5	56.9
Single evaluation	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard