Determination of Optimal Extrication Location of High Extraction Roadway of Large-Mining-Height Fully Mechanized Face

Table 1

Dimension of the 9101 workface physical model.

Dimension	Name
	Length (m)	Width (m)	Height (m)
Workface	335	5	5
Goaf	300	335	60
High suction roadway	290	4.5	3
Inlet and return air roadway	30	5	4.5