Study on Rib Sloughage Prevention Based on Geological Structure Exploration and Deep Borehole Grouting in Front Abutment Zones

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2020/7961032/figures/7961032.fig.0011a.svgz" name="7961032.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Before grouting</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2020/7961032/figures/7961032.fig.0011b.svgz" name="7961032.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>After grouting</td></tr></table>

<div>Rib sloughage status of the coal wall working face before and after grouting reinforcement.</div>

Geofluids

fig11

Figure 11

Figure 11: Study on Rib Sloughage Prevention Based on Geological Structure Exploration and Deep Borehole Grouting in Front Abutment Zones 