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

Table 3

Percentage of the low-, medium-, and high-frequency AE signals during rock deformation.

Loading frequency (Hz)	Ratio of low frequency (%)	Ratio of median frequency (%)	Ratio of high frequency (%)
0.04	55%	11%	34%
0.1	62%	12%	26%
0.5	71%	11%	18%
0.1	80%	10%	10%