Shock and Vibration / 2019 / Article / Tab 4

Research Article

Analysis of the Occurrence Mechanism for Coal and Gas Outburst Based on Multiple Discriminant Indices

Table 4

Gas pressure and gas content in inlet roadway of Panel 31020.

Drilling positionDrilling numberMeasuring point depth (m)Measuring point elevation (m)Peak pressure (MPa)Gas content (m3·t−1)

50 m inward opening of low control roadway1904−6540.305.0667
2904−6540.354.7032
100 m inward opening of low control roadway3906−6560.254.8338
4906−6560.304.1869
150 m inward opening of low control roadway5909−6590.405.4853
6909−6590.504.7330
200 m inward opening of low control roadway7910−6600.354.8716
8910−6600.305.2290
250 m inward opening of low control roadway9911−6610.305.0219
10911−6610.405.6859
300 m inward opening of low control roadway11913−6630.454.5965
12913−6630.404.3454
350 m inward opening of low control roadway13915−6650.305.1005
14915−6650.304.8301
400 m inward opening of low control roadway15918−6680.405.0038
16918−6680.504.9156
450 m inward opening of low control roadway17918−6680.305.2622
18918−6680.405.0408
500 m inward opening of low control roadway19920−6700.305.2569
20920−6700.355.1177

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