The Study on Large-Diameter Drilling Prevention Method of Rock Burst in the Xinxing Coal

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6640295/figures/6640295.fig.0016a.svgz" name="6640295.fig.0016a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The hole spacing is 2.5 m</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6640295/figures/6640295.fig.0016b.svgz" name="6640295.fig.0016b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The hole spacing is 5.0 m</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6640295/figures/6640295.fig.0016c.svgz" name="6640295.fig.0016c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>The hole spacing is 7.5 m</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6640295/figures/6640295.fig.0016d.svgz" name="6640295.fig.0016d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>The hole spacing is 10.0 m</td></tr></table>

<div>Plastic zone distribution under different hole spacings.</div>

Geofluids

fig16

Figure 16

Figure 16: The Study on Large-Diameter Drilling Prevention Method of Rock Burst in the Xinxing Coal 