A New Method for Predicting Coal and Gas Outbursts
Table 9
Distribution of percentages of prediction index K1max during the test.
K1max (mL/g.min1/2)
Total times (109)
Percentage
≥0.1
109
100
≥0.2
107
98
≥0.3
96
88
≥0.4
70
64
≥0.5
61
56
≥0.6
44
40
≥0.7
32
29
≥0.8
20
18
≥0.9
7
6
≥1.0
4
4
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