Study on Characteristics of Acoustic Emission <i>b</i> Value of Coal Rock with Outburst-Proneness under Coupled Static and Dynamic Loads

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Specimen no</td><td class="align_center">Axial stress <i>σ</i> (MPa)</td><td class="align_center">Axial strain <i>ε</i> (%)</td><td class="align_center">Average AE <i>b</i> value</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">SLC-1</td><td class="align_center">60.67</td><td class="align_center">3.056</td><td class="align_center">0.705</td></tr><tr><td class="align_left">SLC-2</td><td class="align_center">62.56</td><td class="align_center">2.655</td><td class="align_center">0.725</td></tr><tr><td class="align_left">SLC-3</td><td class="align_center">65.19</td><td class="align_center">3.515</td><td class="align_center">0.757</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>Description of specimen naming: static load test-coal sample number of static load test..<br/></div></td></tr></table>

<div>Triaxial compression test results of coal rock specimens.</div>

Shock and Vibration

tab3

Table 3

Table 3: Study on Characteristics of Acoustic Emission <i>b</i> Value of Coal Rock with Outburst-Proneness under Coupled Static and Dynamic Loads 

Shock and Vibration

Study on Characteristics of Acoustic Emission b Value of Coal Rock with Outburst-Proneness under Coupled Static and Dynamic Loads

Table 3