Stability Analysis of Underground Pillar Supporting System under Different Disturbed Stresses

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6634673/figures/6634673.fig.0015a.svgz" name="6634673.fig.0015a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Before instability</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6634673/figures/6634673.fig.0015b.svgz" name="6634673.fig.0015b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>After instability</td></tr></table>

<div>The stress distribution of the pillar before and after instability.</div>

Geofluids

fig15

Figure 15

Figure 15: Stability Analysis of Underground Pillar Supporting System under Different Disturbed Stresses 