Research Article

Theoretical and Experimental Study of the Effects of Impact Drilling Parameters on the Properties of Surrounding Rock Damage

Table 5

Experimental parameters and fitting parameters.

Specimen numberParameters
E (GPa)Φ (°)μC (MPa)mF0η

A158.9248.30.21630.512.35213.70.2
B558.9248.30.21630.511.96212.490.2
C158.9248.30.21630.512.61206.540.2
D358.9248.30.21630.511.76214.700.2
E558.9248.30.21630.510.82207.190.2
F658.9248.30.21630.512.03224.830.2