Data-Driven Model for Rockburst Prediction

Table 2

The test samples and the predicted results using neural network.

No.	Maximum shear stress of tunnel wall σθ (MPa)	Uniaxial compression strength σc (MPa)	Uniaxial tensile strength σt (MPa)	Linear stress energy	Rockburst rank
					Real	Predicted
1	34	150	5.4	7.8	1	1
2	60.7	111.5	7.86	6.16	4	4
3	54.2	134	9.09	7.08	3	3
4	70.3	129	8.73	6.43	3	3
5	35	133.4	9.3	2.9	2	2
6	157.3	91.23	6.92	6.27	4	4
7	148.4	66.77	3.81	5.08	2	2
8	132.1	51.5	2.47	4.63	3	2
9	127.9	35.82	1.24	3.67	2	2
10	107.5	21.5	0.6	2.29	1	1
11	96.41	18.32	0.38	1.87	1	1
12	167.2	110.3	8.36	6.83	4	4
13	38.2	53	3.9	1.6	1	1
14	11.3	90	4.8	3.6	1	1
15	92	263	10.7	8	2	2
16	62.4	235	9.5	9	4	4
17	43.4	136.5	7.2	5.6	4	3
18	11	105	4.9	4.7	1	1
19	90	170	11.3	9	3	3
20	90	220	7.4	7.3	2	2
21	62.6	165	9.4	9	2	2
22	55.4	176	7.3	9.3	3	4
23	30	88.7	3.7	6.6	3	3
24	48.75	180	8.3	5	3	3
25	80	180	6.7	5.5	2	2
26	89	236	8.3	5	3	3
27	98.6	120	6.5	3.8	3	3
28	108.4	140	8	5	4	4