Strength Model of Cemented Filling Body Based on a Neural Network Algorithm

Table 2

Material and strength data for each curing time for the filling body.

No.	Percentage of each substance			Compressive strength of filling body (MPa)
	Cement	Tailings	Water	3 d	7 d	28 d
1	0.180	0.540	0.28	1.44	1.75	3.02
2	0.156	0.624	0.22	1.69	1.85	3.27
3	0.152	0.608	0.24	1.36	1.53	2.93
4	0.148	0.592	0.26	0.94	1.22	2.50
5	0.144	0.576	0.28	0.87	1.09	2.47
6	0.111	0.669	0.22	1.01	1.51	2.61
7	0.109	0.651	0.24	0.95	1.35	2.25
8	0.106	0.634	0.26	0.63	0.81	1.48
9	0.103	0.617	0.28	0.61	0.88	1.46
10	0.087	0.693	0.22	0.54	0.89	1.59
11	0.084	0.676	0.24	0.38	0.69	1.39
12	0.082	0.658	0.26	0.48	0.62	1.23
13	0.080	0.640	0.28	0.30	0.38	0.89
14	0.060	0.720	0.22	0.49	0.63	1.18
15	0.058	0.702	0.24	0.35	0.44	0.79
16	0.057	0.683	0.26	0.32	0.35	0.76
17	0.055	0.665	0.28	0.31	0.35	0.73
18	0.037	0.743	0.22	0.36	0.41	0.72
19	0.036	0.724	0.24	0.34	0.31	0.56