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3 cards from this section. Quick, good the night before a test.
What is compaction?
Think about how soil density changes when squeezed.
Define the term 'optimum moisture content.'
Consider what happens when you add too much water to soil.
What is the primary impact of adding admixtures to soil?
Think about what admixtures are meant to do.
True or false: Soil compaction always increases the void ratio.
What happens to air when you push soil together?
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?
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.
Think about how water changes the interaction between soil particles.
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