Evolution Mechanism of Water-Conducting Fissures in Overlying Rock Strata with Karst Caves under the Influence of Coal Mining

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/4064759/figures/4064759.fig.009a.svgz" name="4064759.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Excavation 45 m</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/4064759/figures/4064759.fig.009b.svgz" name="4064759.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Excavation 120 m</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/4064759/figures/4064759.fig.009c.svgz" name="4064759.fig.009c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Excavation 280 m</td></tr></table>

<div>Development characteristics of water-conducting fissures when the karst cave is 15 m.</div>

Geofluids

fig9

Figure 9

Figure 9: Evolution Mechanism of Water-Conducting Fissures in Overlying Rock Strata with Karst Caves under the Influence of Coal Mining 