Research on Permeability Enhancement Model of Pressure Relief Roadway for Deep Coal Roadway Strip

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/1342592/figures/1342592.fig.009a.svgz" name="1342592.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Displacement</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/1342592/figures/1342592.fig.009b.svgz" name="1342592.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Surrounding rock failure</td></tr></table>

<div>Pressure relief effect of surrounding rock in 213 pressure relief roadway.</div>

Geofluids

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Figure 9

Figure 9: Research on Permeability Enhancement Model of Pressure Relief Roadway for Deep Coal Roadway Strip 