Effects of Tailings Gradation on Rheological Properties of Filling Slurry

Table 3

Experimental design for investigating the fluidity of a filling slurry by varying the gradation of high-concentration tailings.

Number	Ratio of ingredients	Powder-grained particles (g)	Relatively fine-grained particles (g)	Fine-grained particles (g)	Cement (g)	Water (g)	Total weight (g)
1	1 : 1 : 8	13.6	13.6	108.8	17	72	225
2	1 : 3 : 6	13.6	40.8	81.6
3	2 : 1 : 7	27.2	13.6	95.2
4	2 : 3 : 5	27.2	40.8	68
5	2 : 5 : 3	27.2	68	40.8
6	2 : 7 : 1	27.2	95.2	13.6
7	3 : 1 : 6	40.8	13.6	81.6
8	3 : 3 : 4	40.8	40.8	54.4
9	3 : 5 : 2	40.8	68	27.2
10	4 : 1 : 5	54.4	13.6	68
11	4 : 3 : 3	54.4	40.8	40.8
12	4 : 5 : 1	54.4	68	13.6
13	5 : 1 : 4	68	13.6	54.4
14	5 : 3 : 2	68	40.8	27.2
15	6 : 1 : 3	81.6	13.6	40.8
16	6 : 3 : 1	81.6	40.8	13.6
17	7 : 1 : 2	95.2	13.6	27.2
18	Full tailings		136