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-preview.hindawi.com/articles/sv/volume-2015/458519/figures/458519.fig.009a.svgz" name="458519.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Acoustic emission energy and cumulative energy of M1 coal under loading rate of 0.001 mm/s</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/sv/volume-2015/458519/figures/458519.fig.009b.svgz" name="458519.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Acoustic emission energy and cumulative energy of M6 coal under loading rate of 0.002 mm/s</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/sv/volume-2015/458519/figures/458519.fig.009c.svgz" name="458519.fig.009c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Acoustic emission energy and cumulative energy of M9 coal under loading rate of 0.005 mm/s</td></tr></table>

<div>The relationship curve between time and AE energy, AE cumulative energy of the coal samples under different loading rates.</div>

Shock and Vibration

fig9

Figure 9

Figure 9: Study of Acoustic Emission and Mechanical Characteristics of Coal Samples under Different Loading Rates 