Mechanical Behaviors and AE Characteristics of Brittle Coal Specimens with Different Fissure Angles

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/4093526/figures/4093526.fig.001a.svgz" name="4093526.fig.001a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Specimen preparation</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/4093526/figures/4093526.fig.001b.svgz" name="4093526.fig.001b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Coal specimen with prefabricated fissures</td></tr></table>

<div>Flowchart of preparation of specimens.</div>

Geofluids

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Figure 1

Figure 1: Mechanical Behaviors and AE Characteristics of Brittle Coal Specimens with Different Fissure Angles 