Numerical Analyses on Deformation and Failure Characteristics of Surrounding Rock of Gob-Side Entry Retention by Roof Cutting

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Density (kg/m<sup>3</sup>)</td><td class="align_center">Bulk modulus (GPa)</td><td class="align_center">Shear modulus (GPa)</td><td class="align_center">Dilation angle (°)</td><td class="align_center">Friction angle (°)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1000</td><td class="align_center">0.45</td><td class="align_center">0.6</td><td class="align_center">2</td><td class="align_center">5</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

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Table 2

Table 2: Numerical Analyses on Deformation and Failure Characteristics of Surrounding Rock of Gob-Side Entry Retention by Roof Cutting 