In Situ Test Study of Characteristics of Coal Mining Dynamic Load

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2015/121053/figures/121053.fig.008a.svgz" name="121053.fig.008a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Shock waveform</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2015/121053/figures/121053.fig.008b.svgz" name="121053.fig.008b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Vibration frequency spectrum</td></tr></table>

<div>Range of particle vibration frequency.</div>

Shock and Vibration

fig8

Figure 8

Figure 8: In Situ Test Study of Characteristics of Coal Mining Dynamic Load 