Deformation Failure Characteristics of Coal Body and Mining Induced Stress Evolution Law

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="714507.fig.009a" src="https://static-preview.hindawi.com/articles/tswj/volume-2014/714507/figures/714507.fig.009a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b><b> </b>Stress distribution before coal failure</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="714507.fig.009b" src="https://static-preview.hindawi.com/articles/tswj/volume-2014/714507/figures/714507.fig.009b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Stress distribution after coal failure</td></tr></table></td></tr></table>

<table>The coal body failure model.</table>

The Scientific World Journal

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Figure 9

Figure 9: Deformation Failure Characteristics of Coal Body and Mining Induced Stress Evolution Law 