Model Test Study on Cylindrical Blasting Stress Wave Propagation across Jointed Rock Mass with Different Initial Stresses

<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">Type</td><td class="align_center">Rc (MPa)</td><td class="align_center">σt (MPa)</td><td class="align_center">E50 (GPa)</td><td class="align_center">φ (°)</td><td class="align_center">c (MPa)</td><td class="align_center">μ</td><td class="align_center">ρ (kg/m3)</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">Similar material</td><td class="align_center">5.864</td><td class="align_center">0.613</td><td class="align_center">5.226</td><td class="align_center">23.2</td><td class="align_center">1.49</td><td class="align_center">0.203</td><td class="align_center">1980</td></tr><tr><td class="align_left">Cσ</td><td class="align_center">20.5</td><td class="align_center">19.6</td><td class="align_center">9.6</td><td class="align_center">—</td><td class="align_center">20.1</td><td class="align_center">—</td><td class="align_center">—</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Physicomechanical parameters and stress similarity coefficient of the similar materials.</div>

Advances in Civil Engineering

tab2

Table 2

Table 2: Model Test Study on Cylindrical Blasting Stress Wave Propagation across Jointed Rock Mass with Different Initial Stresses 