The Stability Factors’ Sensitivity Analysis of Key Rock B and Its Engineering Application of Gob-Side Entry Driving in Fully-Mechanized Caving Faces

Table 4

Simulation scheme.

Main roof height (m)	Main roof fracture location
	Inside the coal wall 2 m	Outside the narrow coal pillar 2 m	Right above the roadway
0	Scheme 1	Scheme 2	Scheme 3
5	Scheme 4	Scheme 5	Scheme 6
10	Scheme 7	Scheme 8	Scheme 9