Calculation Method of Bonding Section of Joint Surface of Dangerous Rock Mass Based on Amplitude Ratio

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Excitation frequency (Hz)</td><td class="align_center">Actual bonding length (cm)</td><td class="align_center">Calculated bonding length (cm)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">10</td><td class="align_center">5</td><td class="align_center">4.66</td></tr><tr><td class="align_left">20</td><td class="align_center">5</td><td class="align_center">5.25</td></tr><tr><td class="align_left">10</td><td class="align_center">10</td><td class="align_center">9.23</td></tr><tr><td class="align_left">20</td><td class="align_center">10</td><td class="align_center">10.51</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Calculation result of length of rock block.</div>

Shock and Vibration

tab2

Table 2

Table 2: Calculation Method of Bonding Section of Joint Surface of Dangerous Rock Mass Based on Amplitude Ratio 