Strength and Failure Characteristics of Natural and Water-Saturated Coal Specimens under Static and Dynamic Loads

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2018/3526121/figures/3526121.fig.004a.svgz" name="3526121.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Coal × 200</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2018/3526121/figures/3526121.fig.004b.svgz" name="3526121.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Coal × 500</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/sv/volume-2018/3526121/figures/3526121.fig.004c.svgz" name="3526121.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Limestone × 50</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/sv/volume-2018/3526121/figures/3526121.fig.004d.svgz" name="3526121.fig.004d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Limestone × 500</td></tr></table>

<div>SEM testing photos of coal and Shendong limestone specimens.</div>

Shock and Vibration

fig4

Figure 4

Figure 4: Strength and Failure Characteristics of Natural and Water-Saturated Coal Specimens under Static and Dynamic Loads 