Deformation and Failure Mechanism of Surrounding Rock in Mining-Influenced Roadway and the Control Technology

Table 2

Simulation plan with different mining coefficients.

Number	Dζ1	Dζ3	Surrounding rock ratio η (Dζ1P1/Dζ3P3)	α (°)
a	1.0	1.0	1.2	0
b	1.0	2.0	0.6
c	1.0	3.0	0.4
d	1.0	4.0	0.3
e	2.0	1.0	2.4
f	3.0	1.0	3.6
g	4.0	1.0	4.8