Table 4 CBL classification of Wudong coal mine.

From: Classification of coal bursting liability of some chinese coals using machine learning methods

No.

DT (ms)

WET

KE

RC (MPa)

Engineering guidance level

LM-BPNN

Sampling spot

1

119

4.55

2.95

15.25

2

2

B3 + 6 coal seam of +501 level

2

58

3.77

2.13

19.75

2

2

B3, B5 coal seam of +545 level

3

254

1.59

1.46

12.64

2

2

B6 coal seam of +545 level

4

391

4.64

0.9

5.81

2

2

B3, B5 coal seam of +400 level

5

33

3.63

2.25

29.35

1

1

B6 coal seam of +400 level

Back to article page