Stress Evolution Mechanism and Control Technology for Reversing Mining and Excavation under Mining-Induced Dynamic Pressure in Deep Mine

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/4133529/figures/4133529.fig.0020a.svgz" name="4133529.fig.0020a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Roof drilling at 600 m</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/4133529/figures/4133529.fig.0020b.svgz" name="4133529.fig.0020b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Roof drilling at 650 m</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/4133529/figures/4133529.fig.0020c.svgz" name="4133529.fig.0020c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Roof drilling at 700 m</td></tr></table>

Geofluids

fig20

Figure 20

Figure 20: Stress Evolution Mechanism and Control Technology for Reversing Mining and Excavation under Mining-Induced Dynamic Pressure in Deep Mine 