Development of Some Novel Suction-Based Correlations for Swell Behavior of Expansive Soils

Table 4

The summary of the newly proposed suction-based correlations with their respective R² values.

Correlations	Equations	R^2	Significance
Linear		0.8162	High
Exponential		0.7529	Moderate
Logarithmic		0.7575	Moderate
Polynomial		0.821	High
Power		0.8446	High