Classification Method and Application of Rock Fracture Ability by Supercritical CO<sub>2</sub> Blasting

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Grading index</td><td class="align_center">Rock mass density (g·cm<sup>−3</sup>)</td><td class="align_center">Tensile strength (MPa)</td><td class="align_center">Wave impedance of rock (×10<sup>6</sup> kg·m<sup>−2</sup>·s<sup>−1</sup>)</td><td class="align_center">Intactness index of rock mass</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Entropy</td><td class="align_center">0.8438</td><td class="align_center">0.7417</td><td class="align_center">0.7296</td><td class="align_center">0.7822</td></tr><tr><td class="align_left">Weight</td><td class="align_center">0.1730</td><td class="align_center">0.2861</td><td class="align_center">0.2995</td><td class="align_center">0.2412</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Entropy and weight obtained by EWM.</div>

Shock and Vibration

tab6

Table 6

Table 6: Classification Method and Application of Rock Fracture Ability by Supercritical CO<sub>2</sub> Blasting 

Shock and Vibration

Classification Method and Application of Rock Fracture Ability by Supercritical CO2 Blasting

Table 6

Classification Method and Application of Rock Fracture Ability by Supercritical CO₂ Blasting