Study on Strength Test and Application of Lime Soil in Pavement Base Modified by Soda Residue

Table 4

Fitting results of moisture content-dry density.

Group	Moisture content-dry density fitting curve	Optimum moisture content (%)
A	Y = −0.01603x^2 + 0.59361x − 3.68502	18.23
B	Y = −0.01599x^2 + 0.6142x − 4.08485	19.59
C	Y = −0.02243x^2 + 0.8684x − 6.52690	20.47
D	Y = −0.01536x^2 + 0.62509x − 4.53361	19.34
E	Y = −0.02944x^2 + 1.06783x − 7.78885	18.03