Research on Optimization of Large Flow Hydraulic Punching Process in Zhaozhuang Mine

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/7535215/figures/7535215.fig.003a.svgz" name="7535215.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Commonly used high-pressure type</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/7535215/figures/7535215.fig.003b.svgz" name="7535215.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Improved high-pressure type</td></tr></table>

<div>High-pressure type used in punching tests.</div>

Geofluids

fig3

Figure 3

Figure 3: Research on Optimization of Large Flow Hydraulic Punching Process in Zhaozhuang Mine 