Research on Pressure Relief Method of Close Floor Roadway in Coal Seam Based on Deformation and Failure Characteristics of Surrounding Rock in Deep Roadway

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/5820228/figures/5820228.fig.0010a.svgz" name="5820228.fig.0010a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Phase 5</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/5820228/figures/5820228.fig.0010b.svgz" name="5820228.fig.0010b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Phase 9</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/5820228/figures/5820228.fig.0010c.svgz" name="5820228.fig.0010c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Phase 10</td></tr><tr class="fig-image" id="d"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/5820228/figures/5820228.fig.0010d.svgz" name="5820228.fig.0010d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Phase 11</td></tr></table>

<div>Curve chart of fractal dimension calculation for fractures in different loading phases.</div>

Geofluids

fig10

Figure 10

Figure 10: Research on Pressure Relief Method of Close Floor Roadway in Coal Seam Based on Deformation and Failure Characteristics of Surrounding Rock in Deep Roadway 

Figure 10 | Research on Pressure Relief Method of Close Floor Roadway in Coal Seam Based on Deformation and Failure Characteristics of Surrounding Rock in Deep Roadway 