Research Article

Predictions of Overbreak Blocks in Tunnels Based on the Wavelet Neural Network Method and the Geological Statistics Theory

Table 4

Results of wavelet neural network training data.

SamplesOrientationTrace lengthSpacingExpected outputActual output
Joint 1Joint 2Bedding

10.0/75.025.0/20.025.0/82.07.033.010000.98640.01070.06260.0001
20.0/75.040.0/10.030.0/85.05.015.010000.98660.01060.06120.0001
315.0/74.038.0/17.020.0/82.07.032.010000.97940.02220.01000.0006
430.0/83.045.0/15.035.0/84.013.014.001000.01600.96170.00930.0351
540.0/80.025.0/30.030.0/84.010.014.000010.00390.05860.06070.9275
65.0/67.050.0/21.015.0/83.090.054.010000.96400.02100.48030.0002
710.0/62.035.0/16.030.0/79.030.027.010000.93270.03570.07440.0001
815.0/65.020.0/35.015.0/84.0106.045.000100.01590.00470.99150.0564
925.0/85.020.0/22.014.0/84.080.030.000100.01040.00490.99160.0592
1065.0/75.036.0/21.065.0/88.052.014.000100.01530.00580.96210.0566
1120.0/68.030.0/15.00.0/75.055.015.000100.01610.00480.99170.0566
1255.0/65.026.0/20.050.0/80.070.012.000100.01530.00570.96070.0526
1318.0/79.025.0/18.020.0/75.026.08.000100.01510.00570.96110.0518
1410.0/77.020.0/18.035.0/70.036.09.000100.01430.00540.96200.0496