Research Article

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

Table 1

Orthogonal test scheme.

NumberAggregate-binder ratio (A)Cement-Vaseline ratio (B)Barite ratio (%) (C)Calcium carbonate ratio (%) (D)Content of silicone oil (%) (E)

15 : 14 : 1000
25 : 13 : 110103
35 : 12 : 120206
45 : 11 : 130309
55 : 11 : 2404012
66 : 14 : 110209
76 : 13 : 1203012
86 : 12 : 130400
96 : 11 : 14003
106 : 11 : 20106
117 : 14 : 120403
127 : 13 : 13006
137 : 12 : 140109
147 : 11 : 102012
157 : 11 : 210300
168 : 14 : 1301012
178 : 13 : 140200
188 : 12 : 10303
198 : 11 : 110406
208 : 11 : 22009
219 : 14 : 140306
229 : 13 : 10409
239 : 12 : 110012
249 : 11 : 120100
259 : 11 : 230203