8.1 - Optimum shows more compressibility.
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Practice Questions
Test your understanding with targeted questions
What is compaction?
💡 Hint: Think about how soil density changes when squeezed.
Define the term 'optimum moisture content.'
💡 Hint: Consider what happens when you add too much water to soil.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary impact of adding admixtures to soil?
💡 Hint: Think about what admixtures are meant to do.
True or false: Soil compaction always increases the void ratio.
💡 Hint: What happens to air when you push soil together?
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Challenge Problems
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A construction site has clay soil with an initial moisture content that is above the optimum. What are the implications of this condition for soil stability?
💡 Hint: Consider how water affects the binding strength between particles.
Evaluate a scenario where two layers of soil are compacted—one at dry of optimum and one at wet of optimum. Predict their performance under load.
💡 Hint: Think about how water changes the interaction between soil particles.
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