Experimental Studies on Cracking and Local Strain Behaviors of Rock-Like Materials with a Single Hole before and after Reinforcement under Biaxial Compression

Table 1

Details of all tested rock-like specimens.

Specimen	Thickness, mm	Lateral pressure , MPa	Peak strength, MPa	Density ρ, g/cm^3	Elastic modulus , GPa
SN0-1	0.0	0.0	19.78	2.01	2.08
SN0-2		0.5	19.47	1.99	1.93
SN0-3		1.0	24.95	2.02	2.22
SN0-4		1.5	26.36	1.96	1.61
SN10-1	1.0	0.0	19.18	1.98	2.06
SN10-2		0.5	23.32	2.01	2.38
SN10-3		1.0	26.33	2.05	2.59
SN10-4		1.5	27.69	2.13	2.32
SN15-1	1.5	0.0	20.06	1.99	2.05
SN15-2		0.5	23.89	2.03	2.03
SN15-3		1.0	26.46	1.97	2.51
SN15-4		1.5	28.62	2.08	2.42
SN20-1	2.0	0.0	23.34	1.99	2.09
SN20-2		0.5	24.12	2.03	2.39
SN20-3		1.0	26.62	1.97	1.93
SN20-4		1.5	35.07	2.05	2.16