Plasticity Formulae

Question 1

Liquidity index IL is given by

Answer 1

water content - plastic limit w-wp/ liquid limit - plastic limit wl-wp

Question 2

Plasticity index IP

Answer 2

liquid limit - plastic limit( wl-wp)

Question 3

Activity A =

Answer 3

plasticity index IP/ clay fraction C

Question 4

Clay fraction C =

Answer 4

% of particles <2 micrometre

Question 5

Relative density Dr =

Answer 5

emax - e / emax -emin (max-OG/Range)