1.3.3 - Capillary Rise and Partial Saturation
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Practice Questions
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What is pore water pressure?
💡 Hint: Think about water pressure under different levels.
What does effective stress represent?
💡 Hint: Remember the formula: Effective Stress = Total Stress - Pore Water Pressure.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the term pore water pressure refer to?
💡 Hint: Remember the role of water in soil mechanics.
True or False: Effective stress is equal to total stress plus pore water pressure.
💡 Hint: Recall the effective stress formula.
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Challenge Problems
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A soil sample with a total stress of 200 kPa is partly saturated, with pore water pressure measured at 40 kPa. Calculate the effective stress and interpret its significance on bearing capacity.
💡 Hint: Apply Terzaghi's principle to find the effective stress.
Discuss how a drop in the water table due to drought conditions would affect the effective stress in surrounding soil layers.
💡 Hint: Consider the relationship between water levels and effective stress.
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