The Mechanical and Fracturing of Rockburst in Tunnel and Its Acoustic Emission Characteristics

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/sv/volume-2018/3503940/figures/3503940.fig.0011a.svgz" name="3503940.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Before</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/sv/volume-2018/3503940/figures/3503940.fig.0011b.svgz" name="3503940.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>After</td></tr></table>

<div>Stress experienced by the tunnel model before and after excavation.</div>

Shock and Vibration

fig11

Figure 11

Figure 11: The Mechanical and Fracturing of Rockburst in Tunnel and Its Acoustic Emission Characteristics 