Classification Prediction of Rockburst in Railway Tunnel Based on Hybrid PSO-BP Neural Network

Table 1

Partial rockburst data.

Serial number				Grade
1	0.38	27.96	6.9	III
2	0.15	29.63	7.2	I
3	0.18	30.12	7.3	I
4	0.24	26.36	7.4	II
5	0.12	22.36	6.3	I
6	0.19	28.63	7.5	I
7	0.79	20.36	4.3	III
8	0.34	25.63	6	II
9	0.28	26.21	6.2	II
10	0.38	23.1	7.8	IV
11	0.25	26.3	5.5	III
12	0.31	27.1	6.8	I
13	.0.28	23.6	7.1	III
14	0.30	24.6	6.9	III
15	0.26	23.9	6.5	III
16	0.19	25.4	6.1	IV
17	0.24	27.4	6.2	I
18	0.38	25.8	6.9	III
19	0.41	24.3	6.6	IV
20	0.52	28.4	6.4	IV
…	…	…	…	…
81	0.53	8.77	4.9	III
82	0.41	19.65	6.1	III
83	0.35	19.23	4.1	II
84	0.38	23.4	4.1	II
85	0.32	18.23	4.6	II
86	0.28	19.63	4.3	II
87	0.48	8.67	2.7	II
88	0.42	19.68	7.5	IV
89	0.47	9.05	5.2	III
90	0.24	20.38	5.6	II