Development of a Model to Predict Vibrations Induced by Blasting Excavation of Deep Rock Masses under High In Situ Stress

Table 2

Mechanical parameters.

(MPa): in horizontal (X-direction)	(MPa): in vertical (Y-direction)	(MPa): in tunnel axial (Z-direction)	E0 (GPa)	μ	ρ (kg/m^3)
49.2	56.9	40.1	56.2	0.25	2700