Analysis on the Difference of Energy Evolution in the Process of Energy Storage Failure of Strong Coal Rush Rock Samples under Different Adaptive Modification Regulation Measures

Table 3

Average mechanical parameters of rock samples with strong bursting liability under different modification states.

Corresponding working condition	State of the specimens	Processing state	Specimen number	Mean peak intensity/MPa	Mean peak strain	Mean modulus of elasticity/GPa
Blank test	Natural state	Blank untreated	R0-1, 2, 3	28.20	0.02127	2.42
Water softening	Dry state	Complete drying	R1-1, 2, 3	44.56	0.02564	3.56
	Saturated state	Full water treatment	R2-1, 2, 3	22.07	0.02120	1.79
Pressure relief hole	Well versed in state	Small-diameter drilling treatment	R3-1, 2, 3	25.06	0.02597	0.86
	Well versed in state	Treatment of large-diameter drilling holes	R4-1, 2, 3	16.57	0.01969	1.27