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3 cards from this section. Quick, good the night before a test.
What percent of soil must be fine-grained to classify it under fine soils?
Think about the particle size.
Name one property of clay particles.
Consider the physical shape of clay.
What is the maximum particle size for fine-grained soils?
Consider the definition of fine-grained soils.
True or False: The liquidity index measures the degree of plasticity of a soil.
Remember what liquidity indices represent.
A soil has a liquid limit of 45%, a plastic limit of 25%, and 70% clay content. Classify its activity and liquidity index.
Use the activity and liquidity index formulas.
Given a soil with a plasticity index of 15% and 40% clay content, determine the classification and consistency.
Make sure to use the respective formulas for analysis.
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