Experimental Study on the Fine Iron Ore Tailing Containing Gypsum as Backfill Material

Table 5

Mix proportion of the filling paste.

Series no.	b/t	Concentration (%)	Water (kg/m^3)	Tailing (kg/m^3)	Binder
					PC (kg/m^3)	FP (kg/m^3)	HZ (kg/m^3)
1	1 : 4	64	614	874	218	—	—
2		66	593	921	230
3		68	571	971	243
4	1 : 6	64	613	934	156
5		66	592	985	164
6		68	570	1038	173
7	1 : 8	64	612	967	121
8		66	591	1020	127
9		68	569	1075	134
10	1 : 10	64	612	988	99
11		66	590	1042	104
12		68	568	1098	110
13	1 : 4	64	613	871	—	218	—
14		66	592	919		230
15		68	570	968		242
16	1 : 6	64	612	932		155
17		66	591	983		164
18		68	569	1036		173
19	1 : 8	64	611	966		121
20		66	590	1018		127
21		68	568	1073		134
22	1 : 10	64	611	987		99
23		66	590	1041		104
24		68	568	1097		110
25	1 : 4	64	617	877	—	—	219
26		66	596	925			231
27		68	574	975			244
28	1 : 6	64	614	936			156
29		66	593	987			165
30		68	571	1041			173
31	1 : 8	64	613	969			121
32		66	592	1022			128
33		68	570	1077			135
34	1 : 10	64	613	990			99
35		66	592	1044			104
36		68	569	1100			110