Soil particle size distribution helps us in classifying the soil. The soil can be classified based on several methods. Two of the most used are the AASHTO (American Association of State Highway Officials) and USCS (Unified Soil Classification System). Pavement engineers usually use AASHTO whereas other classical geotechnical engineers use USCS method.
Problem: Using the figure provided above, classify the soil with the help of USCS method. Evaluate
1. The uniformity coefficient, Cu
2. Coefficient of gradation, Cz
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