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

Table 3

Numerical simulation schemes.

Schemes	(mm)	(mm)	(mm)		Air layer (mm)
1	170	250	110	1.737	10
2	220	250	110	1.371	10
3	270	250	110	1.132	10
4	320	250	110	0.964	10
5	370	250	110	0.840	10
6	420	250	110	0.744	10
7	270	220	110	0.989	10
8	270	190	110	0.858	10
9	370	350	110	1.241	10
10	370	450	110	1.723	10
11	370	250	120	0.833	10
12	370	250	130	0.828	10
13	370	250	140	0.827	10