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="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center">Bulk modulus (GPa)</td><td class="align_center">Shear modulus (GPa)</td><td class="align_center">Density (kg/m<sup>3</sup>)</td><td class="align_center">Friction (°)</td><td class="align_center">Dilation (°)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Value</td><td class="align_center">9.36</td><td class="align_center">7.15</td><td class="align_center">1000</td><td class="align_center">21</td><td class="align_center">5</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Material parameters for the gob model.</div>

Shock and Vibration

tab5

Table 5

Table 5: Numerical Investigation of the Influence of Roof Fracturing Angle on the Stability of Gob-Side Entry Subjected to Dynamic Loading 