Laboratory testing was performed on two soil samples (A

Question

Laboratory testing was performed on two soil samples (A and B) and the data is summarized in the table.

Determine the USCS classification for samples A and B. Use log interpolationas necessary. Particle size analysis and Atterberg limits were performed for Soils C and D. Results are given in the following table.

Classify Soils C and D according to the AASHTO system.

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