Application of the Modified Mohr–Coulomb Yield Criterion in Seismic Numerical Simulation of Tunnels

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">1st order</td><td class="align_center">2nd order</td><td class="align_center">3rd order</td><td class="align_center">4th order</td><td class="align_center">5th order</td><td class="align_center">6th order</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Natural vibratory circular frequencies (rad/s)</td><td class="align_center">8.98</td><td class="align_center">12.58</td><td class="align_center">18.705</td><td class="align_center">19.304</td><td class="align_center">23.185</td><td class="align_center">23.58</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>First six orders of the natural vibration frequency of the rock material.</div>

Shock and Vibration

tab7

Table 7

Table 7: Application of the Modified Mohr–Coulomb Yield Criterion in Seismic Numerical Simulation of Tunnels 