An NMR-Based Experimental Study on the Pore Structure of the Hydration Process of Mine Filling Slurry

Table 2

Proportion calculation of experimental specimens.

Cement-sand ratio		1 : 3	1 : 3	1 : 3	Cement-sand ratio		1 : 3	1 : 5	1 : 8
Mass fraction of solid (%)		56	62	68	Mass fraction of solid (%)		56	56	56
Mass fraction (%)	Tailings	42	46.5	51	Mass fraction (%)	Tailings	42	46.67	49.78
	Cement	14	15.5	17		Cement	14	9.33	6.22
	Water	44	38	32		Water	44	44	44