Quantitative Identification of the Water Resistance Capacity of Composite Strata in Mining Coal Seam Floors

Table 1

List of disturbance damage depths of the Ji Group coal floor (m).

Mine	(°)	(m)	(m)	(m)
No. 8 mine	17	140	804.76	20.41
Shoushan mine	10.17	160	713	20.65