Research on Surrounding Rock Stability Affected by Surrounding Rock Pressure and Rock Fracture under Blasting Vibration Load Action

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Density (kg/m<sup>3</sup>)</td><td class="align_center">Blasting velocity (m/s)</td><td class="align_center">A (GPa)</td><td class="align_center">B/</td><td class="align_center"><i>R</i><sub>1</sub>/</td><td class="align_center"><i>R</i><sub>2</sub> (GPa)</td><td class="align_center">RCJ (GPa)</td><td class="align_center"><i>E</i><sub>0</sub> (GPa)</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">1250</td><td class="align_center">5600</td><td class="align_center">248</td><td class="align_center">0.21</td><td class="align_center">4.5</td><td class="align_center">0.88</td><td class="align_center">3.58</td><td class="align_center">4.25</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters of explosive materials.</div>

Advances in Civil Engineering

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Table 2

Table 2: Research on Surrounding Rock Stability Affected by Surrounding Rock Pressure and Rock Fracture under Blasting Vibration Load Action 