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

Table 3

Unknown coefficients and correlation coefficients in equations (32), (39), and (40).

Prediction formula	Coefficient	Longitudinal	Vertical	Horizontal tangential
	K3	0.042	0.13	0.042
		1.12	1.71	1.13
	R	0.83	0.88	0.83
	K4	4.62	18.14	9.03
	Α	1.05	1.76	1.15
	R	0.64	0.81	0.71
	K5	1.99	4.78	3.91
	Ξ	0.91	1.58	1.06
	R	0.60	0.78	0.70