Self-Designed Hydrophilicity-Related Geomaterials and Their Testing Utility in Simulation of Overlying Strata Instability

Table 5

Similar material ratio of each rock layer.

Number	Rock stratum	A	B	C	D	E
11	Coarse sandstone	3.83	−0.40	12.89	26.48	8.69
10	Coarse sandstone	3.96	−0.62	−24.45	64.53	8.93
9	Medium-grained sandstone	9.85	−0.24	10.25	18.39	2.42
8	Sandy mudstone	8.26	−0.48	−10.95	37.92	7.31
7	Sandy mudstone	5.65	−0.53	−11.65	68.96	5.78
6	Mudstone	7.20	−0.79	−61.60	73.13	12.12
5	Coarse sandstone	6.66	−0.58	−11.31	36.59	10.26
4	Mudstone	6.61	−0.67	−27.57	48.80	11.55
3	Sandy mudstone	8.23	−0.46	−17.46	32.35	7.48
2	Coarse sandstone	6.45	−0.58	−8.71	40.10	10.08
1	Coal	8.32	−0.19	54.57	4.91	2.97