(Solved): 2. Determine the AASHTO classification and Group index (GI) for Soils A, B & C according to AASHTO ...

2. Determine the AASHTO classification and Group index (GI) for Soils A, B & C according to AASHTO: (6 marks) % Passing Sieve (mm) A B ? 37.5 26.5 19.0 100 9.5 4.75 51 100 2.36 1.18 0.425 29 60 0.150 30 0.075 3 5 Atterberg Limits LL wl 28 25 PL wp 28 23 100 89 39 17