Investigation on the Effect of Dynamic Frequency on Fracture Evolution in Preflawed Rock under Multistage Cyclic Loads: Insight from Acoustic Emission Monitoring

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Loading frequency (Hz)</td><td class="align_center">Low</td><td class="align_center">Medium</td><td class="align_center">High</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">0.04</td><td class="align_center">[0, 195]</td><td class="align_center">[195, 230]</td><td class="align_center">[230, 320]</td></tr><tr><td class="align_left">0.1</td><td class="align_center">[0, 160]</td><td class="align_center">[160, 240]</td><td class="align_center">[240, 320]</td></tr><tr><td class="align_left">0.5</td><td class="align_center">[0, 140]</td><td class="align_center">[140, 225]</td><td class="align_center">[225, 320]</td></tr><tr><td class="align_left">1.0</td><td class="align_center">[0, 120]</td><td class="align_center">[120, 235]</td><td class="align_center">[235, 320]</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main frequency distribution range for the tested samples with different dynamic loading frequencies.</div>

Geofluids

tab2

Table 2

Table 2: Investigation on the Effect of Dynamic Frequency on Fracture Evolution in Preflawed Rock under Multistage Cyclic Loads: Insight from Acoustic Emission Monitoring 

Table 2 | Investigation on the Effect of Dynamic Frequency on Fracture Evolution in Preflawed Rock under Multistage Cyclic Loads: Insight from Acoustic Emission Monitoring 