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

<div>Plots of the normalized amplitude against the main frequency of AE signals. (a) The dynamic loading frequency is 0.04 Hz. (b) The dynamic loading frequency is 1.0 Hz.</div>

Geofluids

fig8

Figure 8

Figure 8: Investigation on the Effect of Dynamic Frequency on Fracture Evolution in Preflawed Rock under Multistage Cyclic Loads: Insight from Acoustic Emission Monitoring 

Figure 8 | Investigation on the Effect of Dynamic Frequency on Fracture Evolution in Preflawed Rock under Multistage Cyclic Loads: Insight from Acoustic Emission Monitoring 