Risk Prediction of Coal and Gas Outburst Based on Abnormal Gas Concentration in Blasting Driving Face

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/3917846/figures/3917846.fig.0013a.svgz" name="3917846.fig.0013a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Jet holes events in August 2017</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/3917846/figures/3917846.fig.0013b.svgz" name="3917846.fig.0013b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Jet holes and outburst events in December 2017</td></tr></table>

<div>Analysis of outburst risk prediction results.</div>

Geofluids

fig13

Figure 13

Figure 13: Risk Prediction of Coal and Gas Outburst Based on Abnormal Gas Concentration in Blasting Driving Face 