1.2 - Figure: e – log σ ’ plot
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Practice Questions
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Define void ratio in your own words.
💡 Hint: Think of how much empty space is in a soil sample.
What does effective stress represent?
💡 Hint: Consider how water pressure in soil affects its strength.
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Interactive Quizzes
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What does the e – log σ' plot represent?
💡 Hint: Connect the terms 'void ratio' and 'effective stress' in the context of soil.
Is the swelling index vital for predicting soil behavior?
💡 Hint: Think about scenarios involving wet and dry conditions.
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Challenge Problems
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Given a soil with an initial void ratio of 0.5, predict what might happen to its properties as effective stress increases.
💡 Hint: Consider how pressing a sponge changes its shape.
If a soil's void ratio decreases from 0.7 to 0.4 under increasing effective stress, calculate the swelling index.
💡 Hint: Plug in effective stress values to find the index.
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