Numerical Investigation of the Influence of Roof Fracturing Angle on the Stability of Gob-Side Entry Subjected to Dynamic Loading

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center"><i>f</i> (Hz)</td><td class="align_center"><i>A</i><sub>0</sub> (m)</td><td class="align_center"><i>t</i><sub>0</sub> (s)</td><td class="align_center"><i>t</i><sub>d</sub> (s)</td><td class="align_center"><i>t</i><sub>s</sub> (s)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Value</td><td class="align_center">20</td><td class="align_center">1</td><td class="align_center">0.05</td><td class="align_center">0.05</td><td class="align_center">0.5</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Relevant parameters for the dynamic loading.</div>

Shock and Vibration

tab7

Table 7

Table 7: Numerical Investigation of the Influence of Roof Fracturing Angle on the Stability of Gob-Side Entry Subjected to Dynamic Loading 