Failure Mechanism of a Coal-Rock Combined Body with Inclinations of Structural Planes and a Calculation Model for Impact Energy

Table 3

Statistical data: cumulative AE energies in specimens during the entire loading process.

Serial number of specimens	(ms·mV)	(%)	Serial number of specimens	(ms·mV)	(%)
CR-0-1	151889	−5.7	CR-30-1	62905	−5.89
CR-0-2	158520	−1.59	CR-30-2	72354	8.25
CR-0-3	172820	7.29	CR-30-3	65258	−2.37
Mean	161076		Mean	66839
CR-15-1	111559	−7.87	CR-45-1	41604	−4.89
CR-15-2	131118	8.28	CR-45-2	47265	8.05
CR-15-3	120595	−0.41	CR-45-3	42365	−3.15
Mean	121091		Mean	43745
PC-1	112247	3.58	PR-1	316279	4.39
PC-2	108554	0.17	PR-2	307146	1.38
PC-3	104295	−3.76	PR-3	285494	−5.77
Mean	108365.33		Mean	302973