Analysis and Application on Controlling Thick Hard Roof Caving with Deep-Hole Position Presplitting Blasting

<table class="table-group" id="tab6"><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">PC (Pa)</td><td class="align_center">MU</td><td class="align_center"><i>C</i><sub>4</sub></td><td class="align_center"><i>C</i><sub>5</sub></td><td class="align_center"><i>V</i><sub>0</sub></td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">1.252</td><td class="align_center">−1.0</td><td class="align_center">1.75e-5</td><td class="align_center">0.4</td><td class="align_center">0.4</td><td class="align_center">1.0</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

tab6

Table 6

Table 6: Analysis and Application on Controlling Thick Hard Roof Caving with Deep-Hole Position Presplitting Blasting 