Predictive Shear Strength Models for Tropical Lateritic Soils

Table 11

Correlations (𝑆_𝑢).

	𝑆𝑢 (kPa)	OMC (%)	NMC (%)	GI	BulD (kg/m^3)	MDD (kg/m^3)	InD (kg/m^3)
Pearson correlation
𝑆𝑢 (kPa)	1.000	−0.886	−0.915	−0.776	0.908	0.929	0.920
OMC (%)	−0.886	1.000	0.946	0.409	−0.913	−0.994	−0.932
NMC (%)	−0.915	0.946	1.000	0.494	−0.977	−0.965	−0.992
GI	−0.776	0.409	0.494	1.000	−0.508	−0.498	−0.514
BulD (kg/m^3)	0.908	−0.913	−0.977	−0.508	1.000	0.936	0.996
MDD (kg/m^3)	0.929	−0.994	−0.965	−0.498	0.936	1.000	0.955
InD (kg/m^3)	0.920	−0.932	−0.992	−0.514	0.996	0.955	1.000
Sig. (1-tailed)
𝑆𝑢 (kPa)	—	0.009	0.005	0.035	0.006	0.004	0.005
OMC (%)	0.009	—	0.002	0.210	0.006	0.000	0.003
NMC (%)	0.005	0.002	—	0.159	0.000	0.001	0.000
GI	0.035	0.210	0.159	—	0.152	0.157	0.148
BulD (kg/m^3)	0.006	0.006	0.000	0.152	—	0.003	0.000
MDD (kg/m^3)	0.004	0.000	0.001	0.157	0.003	—	0.002
InD (kg/m^3)	0.005	0.003	0.000	0.148	0.000	0.002	—
N
𝑆𝑢 (kPa)	6	6	6	6	6	6	6
OMC (%)	6	6	6	6	6	6	6
NMC (%)	6	6	6	6	6	6	6
GI	6	6	6	6	6	6	6
BulD (kg/m^3)	6	6	6	6	6	6	6
MDD (kg/m^3)	6	6	6	6	6	6	6
InD (kg/m^3)	6	6	6	6	6	6	6