Shock and Vibration / 2020 / Article / Tab 1

Research Article

A New Method for Predicting Coal and Gas Outbursts

Table 1

Statistics pertaining to times and intensity of outbursts in the mine.

Grade of outburst intensity (t)Times of outburstOutburst intensity
TimesProportion (%)Maximum amount of coal burst (t)Average amount of coal burst (t)Maximum amount of gas emitted (104 m3)

Submassive outburst (100 to 499 t)28.72351863.3
Medium outburst (50 to 99 t)28.794723.4
Small outburst (<50 t)1982.63912.48.3
Total2323532.78.3

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