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

Table 1

PIM parameters of Nantong Coal Mine.

Station	M (m)	q	b		()	(m)	(m)	(m)	(m)
2309	2.5	0.6	0.11	1.4				−0.18H	−0.31H
4106	3.0	0.6	0.17	1.5	73	+0.05H	−0.02H
4305	3.0	0.6	0.23	1.3	80	−0.11H	+0.05H
0362_Up	1.2	0.6		1.15	78	−0.16H	−0.19H
0362_Down	2.5	0.6		1.45	78	−0.16H	−0.19H