Experimental and Simulation Study on Breaking Rock under Coupled Static Loading and Ultrasonic Vibration

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Speed (r/min)</td><td class="align_center">WOB (N)</td><td class="align_center">Inner diameter (mm)</td><td class="align_center">Outer diameter (mm)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">780</td><td class="align_center">0–1500</td><td class="align_center">14</td><td class="align_center">30</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Rotary ultrasonic drilling equipment parameters.</div>

Shock and Vibration

tab5

Table 5

Table 5: Experimental and Simulation Study on Breaking Rock under Coupled Static Loading and Ultrasonic Vibration 