In Situ Stress Effects on Smooth Blasting: Model Test and Analysis

Table 2

Multifractal parameters of blast-induced crack surface under different confining pressures.

Confining pressure (MPa)	∆α	∆f	fmax	IAS
0	0.0261	0.0122	2.0017	−0.4176
1	0.0101	0.0029	2.0006	−0.3069
2	0.0032	0.0011	2.0002	−0.1875