Analysis of the Cracking Mechanism of an Elliptical Bipolar Linear-Shaped Charge Blasting

<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">Medium</td><td class="align_center">Density (kg·m<sup>−3</sup>)</td><td class="align_center">Elastic modulus (GPa)</td><td class="align_center">Poisson’s ratio (<i>μ</i>)</td><td class="align_center">Compressive strength (MPa)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">PVC</td><td class="align_center">1300</td><td class="align_center">3.0</td><td class="align_center">0.38</td><td class="align_center"> </td></tr><tr><td class="align_left">Rock</td><td class="align_center">2400</td><td class="align_center">37.5</td><td class="align_center">0.26</td><td class="align_center">48.0</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters of the physical materials.</div>

Advances in Civil Engineering

tab2

Table 2

Table 2: Analysis of the Cracking Mechanism of an Elliptical Bipolar Linear-Shaped Charge Blasting 