6.5.1 - Classification as per activity
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Practice Questions
Test your understanding with targeted questions
What is the plasticity index formula?
💡 Hint: Think about how we measure changes between liquid and plastic states.
What is fine-grained soil typically defined by?
💡 Hint: Consider the threshold used for classification.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What defines fine-grained soil?
💡 Hint: Look back at the definition presented at the beginning of the section.
If the liquidity index is less than 0, what does it indicate?
💡 Hint: Recall the classification we discussed earlier.
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Challenge Problems
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You have a soil sample with a plastic limit of 22% and a liquid limit of 40%. What is the activity classification if the clay content is 30%?
💡 Hint: Calculate the plasticity index first.
A construction site has encountered a soil with 70% clay, a plastic limit of 40%, and a liquid limit of 70%. Classify the soil based on activity and liquidity index.
💡 Hint: Start with calculating the plasticity index.
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