Research Article
Self-Designed Hydrophilicity-Related Geomaterials and Their Testing Utility in Simulation of Overlying Strata Instability
Table 3
Spearman correlation coefficient.
| Level | Density/g·cm−3 | Poisson’s ratio | Tensile strength (MPa) | Compressive strength (MPa) | Modulus of elasticity (GPa) | Water absorption rate (%) |
| (A) Aggregate-binder ratio | −0.1393 | −0.1334 | 0.0667 | −0.1982 | −0.1294 | 0.2 | (B) Cement-Vaseline ratio | −0.1746 | −0.5650 | 0.6472 | 0.6495 | 0.7256 | 0.0353 | (C) Barite ratio | −0.0726 | 0.5886 | −0.0902 | −0.1217 | −0.0706 | −0.0706 | (D) Calcium carbonate ratio | −0.3688 | 0.2590 | 0.1334 | 0.0922 | -0.1216 | −0.0667 | (E) Content of silicone oil | −0.6944 | −0.0314 | −0.5648 | −0.5573 | −0.2118 | −0.9453 |
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