Study on Stability of Stope Surrounding Rock under Repeated Mining in Close-Distance Coal Seams

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/9630942/figures/9630942.fig.0017a.svgz" name="9630942.fig.0017a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Fracture diagram under repeated mining</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/9630942/figures/9630942.fig.0017b.svgz" name="9630942.fig.0017b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Stress evolution diagram under repeated mining</td></tr></table>

<div>Fracture-stress evolution after mining of 15# and 16# coal seams.</div>

Geofluids

fig17

Figure 17

Figure 17: Study on Stability of Stope Surrounding Rock under Repeated Mining in Close-Distance Coal Seams 