Research on Seepage Properties and Pore Structure of the Roof and Floor Strata in Confined Water-Rich Coal Seams: Taking the Xiaojihan Coal Mine as an Example

Table 2

Sampling position of the roof and floor strata.

Sampling position	Distance from the coal seam (m)	Numbered
Roof rock	36.3	1
	21.5	2
	11.9	3
	1.5	4
Floor rock	0.8	5
	10.5	6
	19.7	7
	28.8	8