Experimental Study and Engineering Practice of Pressured Water Coupling Blasting

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/sv/volume-2017/5484598/figures/5484598.fig.002a.svgz" name="5484598.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Columns crushing</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/sv/volume-2017/5484598/figures/5484598.fig.002b.svgz" name="5484598.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Props damage</td></tr></table>

<div>Appearance of strong mining pressure in the ultrathick coal seams.</div>

Shock and Vibration

fig2

Figure 2

Figure 2: Experimental Study and Engineering Practice of Pressured Water Coupling Blasting 