Study of Tunnel Damage Caused by Underground Mining Deformation: Calculation, Analysis, and Reinforcement

Table 3

The caved and fissure zone height.

Coal seam	M (m)	equation (9) (m)	equation (10) (m)	equation (11) (m)	equation (12) (m)	Maximum (m)
	0.24	1.06	3.39	11.62	19.80	23.19
	0.23	1.02	3.35	11.40	19.59	22.94
	0.33	1.46	3.81	13.59	21.49	25.29
	0.48	2.12	4.46	16.59	23.86	28.31