100 90 80 70
% Finer
60 50 40 30 20 10 0 1
2 Grain Size (mm)
2
GROUP INDEX Sieve No. Diameter (mm) 4 10 40 100 200
4.75 2 0.43 0.15 0.08 L.L(%) P.L(%) PI
GROUP INDEX % Finer ENTER VALUE ENTER VALUE ENTER VALUE ENTER VALUE ENTER VALUE ENTER VALUE ENTER VALUE 0 a b c d GI
0 0 0 0 0
CONSIDERING GSD
A-4,A-5,A-6,A-7-5,A-7-6
CONSIDERING LIQUID LIMIT
A-2-5,A-2-7,A-5,A-7-5,A-7-6
CONSIDERING PLASTICITY INDEX
A-3
CONSULT IN CASE OF A-7 ONLY
A-7-5
FINAL GROUP
0 A4-A7(SILTY & CLAYEY SOILS)