Experimental Study on Dynamic Response and Damage Evolution of Coal under Shocks by Multiple High-Pressure Air Blasting

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/2033679/figures/2033679.fig.007a.svgz" name="2033679.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The relationship curve between peak vibration velocity and distance</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/2033679/figures/2033679.fig.007b.svgz" name="2033679.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The relationship curve between vibration velocity and HPAB times</td></tr></table>

<div>The curve of vibration velocity under multiple HPAB tests.</div>

Geofluids

fig7

Figure 7

Figure 7: Experimental Study on Dynamic Response and Damage Evolution of Coal under Shocks by Multiple High-Pressure Air Blasting 