Failure Mechanism of Rock Bridge Based on Acoustic Emission Technique

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/js/volume-2015/964730/figures/964730.fig.007a.svgz" name="964730.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Rock bridge length is 25 mm</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/js/volume-2015/964730/figures/964730.fig.007b.svgz" name="964730.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Rock bridge length is 30 mm</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/js/volume-2015/964730/figures/964730.fig.007c.svgz" name="964730.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Rock bridge length is 35 mm</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/js/volume-2015/964730/figures/964730.fig.007d.svgz" name="964730.fig.007d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Rock bridge length is 40 mm</td></tr></table>

<div>Relationship of AE event count and time at 0.6 MPa normal pressure under different rock bridge lengths.</div>

Journal of Sensors

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Figure 7

Figure 7: Failure Mechanism of Rock Bridge Based on Acoustic Emission Technique 