Experimental Investigation on Long-Term Strength and Acoustic Emission Characteristics of Coal Pillar under Inclined Compression Loading

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/1213215/figures/1213215.fig.006a.svgz" name="1213215.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Traditional UCS test</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/1213215/figures/1213215.fig.006b.svgz" name="1213215.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>IUCS test</td></tr></table>

<div>Stress and deformation state of the specimen before and after the test [<a href="/journals/geofluids/2022/1213215/#B2">2</a>].</div>

Geofluids

fig6

Figure 6

Figure 6: Experimental Investigation on Long-Term Strength and Acoustic Emission Characteristics of Coal Pillar under Inclined Compression Loading 