In USCS soil classification, which designation corresponds to high plasticity clays?

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Multiple Choice

In USCS soil classification, which designation corresponds to high plasticity clays?

Explanation:
High plasticity clays in the USCS are designated as inorganic clay with high plasticity. The label CH encodes this: C for clay and H for high plasticity. This distinguishes it from CL (inorganic clay with low plasticity), OH (organic clay with high plasticity), and OL (organic clay with low plasticity). The idea is that the letter H signals high plasticity, while the presence of the first letter C indicates clay as the soil type, with organics indicated by O in front.

High plasticity clays in the USCS are designated as inorganic clay with high plasticity. The label CH encodes this: C for clay and H for high plasticity. This distinguishes it from CL (inorganic clay with low plasticity), OH (organic clay with high plasticity), and OL (organic clay with low plasticity). The idea is that the letter H signals high plasticity, while the presence of the first letter C indicates clay as the soil type, with organics indicated by O in front.

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