9.4.4 - Distinguishing stresses
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Practice Questions
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What is the formula for effective stress?
💡 Hint: Remember what each term represents.
What happens to effective stress when pore water pressure increases?
💡 Hint: Consider the definition of effective stress.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is effective stress defined as?
💡 Hint: There’s a formula for this!
True or False: A decrease in pore water pressure will always result in increased effective stress.
💡 Hint: Think about how water impacts soil weight.
2 more questions available
Challenge Problems
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A soil layer has a density of 2 T/m³ and a thickness of 5m. Calculate the total stress and effective stress if the pore water pressure at the bottom is 6 T/m².
💡 Hint: Use the formulas for total stress and then effective stress.
Analyze a scenario where the groundwater table in a site rises suddenly. Describe its potential impacts on soil stability and effective stress.
💡 Hint: Think about how even small fluctuations in water table can affect soil structure.
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