Preliminary Study on High-Energy and Low-Energy Microfracture Event Evolution Characteristics in the Development Process of Rock Failure

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8880107/figures/8880107.fig.0014a.svgz" name="8880107.fig.0014a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Energy distribution characteristic of microseismic events in No. 22517 working face</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8880107/figures/8880107.fig.0014b.svgz" name="8880107.fig.0014b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Moment magnitude distribution characteristic of microseismic events in No. 22517 working face</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8880107/figures/8880107.fig.0014c.svgz" name="8880107.fig.0014c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Curve of energy index with time in No. 22517 working face</td></tr></table>

<div>Energy and moment magnitude distribution of MS events.</div>

Geofluids

fig14

Figure 14

Figure 14: Preliminary Study on High-Energy and Low-Energy Microfracture Event Evolution Characteristics in the Development Process of Rock Failure 