An Experimental Research on Surrounding Rock Unloading during Solid Coal Roadway Excavation

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/5604642/figures/5604642.fig.0011a.svgz" name="5604642.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Excavation unloading</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/5604642/figures/5604642.fig.0011b.svgz" name="5604642.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Experiment unloading</td></tr></table>

<div>Comparison of excavation unloading and experiment unloading.</div>

Geofluids

fig11

Figure 11

Figure 11: An Experimental Research on Surrounding Rock Unloading during Solid Coal Roadway Excavation 