Research Article

Acoustic Emission Simulation on Coal Specimen Subjected to Cyclic Loading

Table 3

Test conditions and results of coal specimen subjected to cyclic loading (the loading-unloading rate of 0.03 m/s).

Scheme numberConfining pressure (MPa)Stress cycle interval (corresponding to peak strength)Cycle numberTime-step

100.5∼0.954656,539
250.5∼0.95204,219,657
3100.5∼0.953811,715,047