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.hindawi.com/articles/sv/volume-2018/3503940/figures/3503940.fig.004a.svgz" name="3503940.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Granite sample</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2018/3503940/figures/3503940.fig.004b.svgz" name="3503940.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>X-ray diffraction results</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/sv/volume-2018/3503940/figures/3503940.fig.004c.svgz" name="3503940.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Image from the result of polarizing microscope</td></tr></table>

Shock and Vibration

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Figure 4

Figure 4: The Mechanical and Fracturing of Rockburst in Tunnel and Its Acoustic Emission Characteristics 