CENG 3232 Soil Mechanics Assignment # 3 Show all your calculations to receive the full credit. 1. (5 pts) Classify the following soils by the AASHTO classification system. No need to

calculate the group index. Pick one of the soils and briefly explain how you arrive at your final answer. Soil A B с D E Inorganic Soil A B с D Sieve Analysis (% Passing) No. 40 80 92 88 55 75 E No. 10 98 100 100 85 92 No. 200 50 80 25 34 62 Liquid Limit Sieve Analysis (% Passing) No. 4 No. 200 92 48 60 40 99 76 90 60 80 35 38 56 37 28 43 2. (5 pts) Classify the following soils by the USCS. Pick one of the soils and briefly explain how you arrive at your final answer. Liquid Limit Plasticity Index 30 26 60 41 24 29 23 22 20 28 Plasticity Index Soil Type Designation 8 4 32 12 2 Group Symbol