Failure Mechanism and Stability Control of Surrounding Rock of Docking Roadway under Multiple Dynamic Pressures in Extrathick Coal Seam

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8871925/figures/8871925.fig.009a.svgz" name="8871925.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Measuring line 1</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8871925/figures/8871925.fig.009b.svgz" name="8871925.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Measuring line 2</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8871925/figures/8871925.fig.009c.svgz" name="8871925.fig.009c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Measuring line 3</td></tr></table>

<div>Variation trend of deviatoric stress of coal pillars on both sides of the withdrawal channel during final mining.</div>

Geofluids

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Figure 9

Figure 9: Failure Mechanism and Stability Control of Surrounding Rock of Docking Roadway under Multiple Dynamic Pressures in Extrathick Coal Seam 