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.0012a.svgz" name="3917846.fig.0012a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Identification results of abnormal gas concentration 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.0012b.svgz" name="3917846.fig.0012b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Identification results of abnormal gas concentration in December 2017</td></tr></table>

<div>Identification results in 11224 transportation roadway.</div>

Geofluids

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Figure 12

Figure 12: Risk Prediction of Coal and Gas Outburst Based on Abnormal Gas Concentration in Blasting Driving Face 