Which empirical method is not based on the strength parameter of the subgrade?

Which empirical method is not based on the strength parameter of the subgrade? Correct Answer Group index

Group index is the empirical method based on the subgrade soil classification. McLeod method, Stabilometer and CBR methods are all based on the strength parameter of the subgrade.

Related Questions

The vertical ______ on top of the subgrade controls the subgrade rutting.
Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.Select your answer according to the codes given below:
Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.
Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.
Select your answer according to the codes given below: