Study of Acoustic Emission and Mechanical Characteristics of Coal Samples under Different Loading Rates

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2015/458519/figures/458519.fig.007a.svgz" name="458519.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Sanjiaohe mine (coking coal)</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2015/458519/figures/458519.fig.007b.svgz" name="458519.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Tunliu mine (anthracite)</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/sv/volume-2015/458519/figures/458519.fig.007c.svgz" name="458519.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Longshan mine (gas-fat coal)</td></tr></table>

<div>Acoustic emission characteristics with different types.</div>

Shock and Vibration

fig7

Figure 7

Figure 7: Study of Acoustic Emission and Mechanical Characteristics of Coal Samples under Different Loading Rates 