The Effect of Hydraulic Coupling on Mechanical Deformation Characteristics of Shallow Coal Seam in Western Mining Area

Table 3

The width and height of overburden fracture.

Width (m)	Overburden failure height (m)	Overburden failure area (m^2)	(%)
80	32	2080	2.4
120	37	3478	4.0
160	100	12800	14.8
200	100	15500	17.9
240	168	28896	33.4
280	228	43320	50.1