Failure Prediction of Two Types of Rocks Based on Acoustic Emission Characteristics

Table 3

Rock burst prediction of cubic red sandstone.

Forecast periods	AER			Prediction results
	p	q	F
601–621	−4.808e + 01	1.198e + 03	3.786e + 07	Rock burst does not occur
621–721	2.173e + 03	1.030e + 05	−2.042e + 11	Rock burst occurred
721–746	−1.037e + 02	8.357e + 01	−8.721e + 06	Rock burst occurred