Damage Strengthening Constitutive Model of Cemented Paste Backfill

Table 1

Composition of filling slurry.

Number	Cement-tailings ratio	Slurry concentration (%)	Tailings (kg)	Cement (kg)	Water (kg)
1	1 : 4	70	1.08	0.27	0.58
2	1 : 4	72	1.11	0.28	0.54
3	1 : 4	74	1.14	0.28	0.50
4	1 : 4	76	1.17	0.29	0.46
5	1 : 4	78	1.20	0.30	0.42
6	1 : 6	76	1.25	0.21	0.46
7	1 : 8	76	1.30	0.16	0.46
8	1 : 10	76	1.33	0.13	0.46