Critical Conditions and Energy Transfer Characteristics of the Failure Process of Coal-Rock Combination Systems in Deep Mines

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/6655443/figures/6655443.fig.0011a.svgz" name="6655443.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The stress–strain curves of the overall combination</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/6655443/figures/6655443.fig.0011b.svgz" name="6655443.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The stress–strain curves of the rock part</td></tr></table>

<div>The stress–strain curves of the rock part and the overall combination sample of the coal–rock combination sample structure under uniaxial compression until its failure.</div>

Geofluids

fig11

Figure 11

Figure 11: Critical Conditions and Energy Transfer Characteristics of the Failure Process of Coal-Rock Combination Systems in Deep Mines 