Utilization of Foaming Technology in Cemented Paste Backfill of High-Mud Superfine Unclassified Tailings

Table 1

Grain diameter of SUT at Sijiaying.

D  (mm)	5~2	2~0.5	0.5~0.25	0.25~0.075	0.075~0.05	0.05~0.005	<0.005
Content  (%)	0.3	3.3	6.8	2.5	6.1	63	13