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

Table 8

Summary of suction-based correlations for swell potential along with R² values.

Correlations	Equations	R^2	Significance
Linear		0.649	High
Exponential		0.5772	Moderate
Logarithmic		0.6551	High
Polynomial		0.6491	High
Power		0.6184	High