Large Section of Soft Rock Gob-Side Entry Retaining Surrounding Rock Control

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><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">Friction (degree)</td><td class="align_center">Tension (MPa)</td><td class="align_center">Cohesion (MPa)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">1,200</td><td class="align_center">6.27</td><td class="align_center">2.10</td><td class="align_center">38</td><td class="align_center">0.292</td><td class="align_center">4.2</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

tab3

Table 3

Table 3: Large Section of Soft Rock Gob-Side Entry Retaining Surrounding Rock Control 