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

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Excitation frequency</td><td class="align_center">Plastic board area</td><td class="align_center">Amplitude ratio</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">10</td><td class="align_center">5 × 15 cm</td><td class="align_center">1.0202</td></tr><tr><td class="align_left">20</td><td class="align_center">5 × 15 cm</td><td class="align_center">1.0797</td></tr><tr><td class="align_left">10</td><td class="align_center">10 × 15 cm</td><td class="align_center">1.0101</td></tr><tr><td class="align_left">20</td><td class="align_center">10 × 15 cm</td><td class="align_center">1.0364</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Rock-block vibration test results.</div>

Shock and Vibration

tab1

Table 1

Table 1: Calculation Method of Bonding Section of Joint Surface of Dangerous Rock Mass Based on Amplitude Ratio 