1.4 - Initial Stages of Compression
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Practice Questions
Test your understanding with targeted questions
What is effective stress in soil mechanics?
💡 Hint: Think about what portion of stress actually acts on the soil structure.
Describe what happens to soil when it is unloaded from point C.
💡 Hint: Consider how unloading affects the soil structure.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary characteristic of the virgin compression curve?
💡 Hint: Focus on the term 'virgin' and its meaning in this context.
True or False: Permanent strain is reversible.
💡 Hint: Think about what happens to the soil when it unloads.
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Challenge Problems
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A soil sample undergoes a loading test where it initially maintains a void ratio of 0.5. After reaching peak stress, it unloads and takes on a new void ratio of 0.6. Calculate the permanent strain.
💡 Hint: Remember, permanent strain shows the irreversible change; voids increase here.
During a construction project, a site displayed signs of soil hysteresis. Describe the probable causes and how to mitigate issues.
💡 Hint: Think about the role of past soil conditions and moisture.
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