Question: Laboratory testing was performed on two soil samples (A and B). (a) Determine the USCS classification symbol for Sample A. (b) Determine the AASHTO classification

Laboratory testing was performed on two soil samples (A and B).
(a) Determine the USCS classification symbol for Sample A.
(b) Determine the AASHTO classification for Sample B.

Sieve No. Sieve Opening (mm) A - Percent Passing B- Percent Passing 3 inch 76.2 100 1.5 inch 38.1 98 0.75 inch 19.1 96 4.75 100 4 77 10 2.000 96 0.85 20 55 94 0.425 40 73 0.15 0.075 100 30 200 Liquid Limit Plastic Limit 18 55 32 52 25 32

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