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