Table 4 Distribution fractal dimension of pores in untreated loess and lime-treated loess.

Sample Untreated loess Lime-treated loess
Expression of Fitting Line y = − 1.39x + 9.45 y = − 1.53x + 9.93
Correlation Coefficient R2 0.972 0.989
Fractal dimension 1.39 1.53