Investigation of Burn Cut Parameters and Model for One-Step Raise Excavation Based on Damage Evolution Mechanisms

Table 1

Parameters of the modified HJC model.

/(kg/m^3)	/GPa	/GPa			/MPa	/MPa
3471	32.09	46.6	2.51	0.64	173.1	8.72	0.04	1.0
/MPa		/GPa		/GPa	/GPa	/GPa
57.7	0.0012	1.92	0.100	17.8	9.9	104.1	0.01	0.0017