Research on the Influence of Slurry Filling on the Stability of Floor Coal Pillars during Mining above the Room-and-Pillar Goaf: A Case Study

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2020/8861348/figures/8861348.fig.0011a.svgz" name="8861348.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Filling body heights 2 m</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2020/8861348/figures/8861348.fig.0011b.svgz" name="8861348.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Filling body heights 3 m</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2020/8861348/figures/8861348.fig.0011c.svgz" name="8861348.fig.0011c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Filling body heights 4 m</td></tr><tr class="fig-image" id="d"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2020/8861348/figures/8861348.fig.0011d.svgz" name="8861348.fig.0011d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Filling body heights 5 m</td></tr><tr class="fig-image" id="e"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2020/8861348/figures/8861348.fig.0011e.svgz" name="8861348.fig.0011e" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(e) </b>Filling body heights 6 m</td></tr><tr class="fig-image" id="f"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2020/8861348/figures/8861348.fig.0011f.svgz" name="8861348.fig.0011f" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(f) </b>Filling body heights 7 m</td></tr></table>

<div>Vertical stress of coal pillars with different filling heights.</div>

Geofluids

fig11

Figure 11

Figure 11: Research on the Influence of Slurry Filling on the Stability of Floor Coal Pillars during Mining above the Room-and-Pillar Goaf: A Case Study 

Figure 11 | Research on the Influence of Slurry Filling on the Stability of Floor Coal Pillars during Mining above the Room-and-Pillar Goaf: A Case Study 