The Research of the Influence on Stress below the Roadway Floor of the Coal Seam Becoming Thin

Table 2

Models for analyzing the influence of thinning on the No. 11 coal seam.

Model	Angle of the coal seam (°)	Thinning in the length (m)	Thinning in the width (m)
1	20	1	1
2	20	2	1
3	20	3	1
4	20	1	2
5	20	2	2
6	20	3	2
7	Normal