1.9 - Triaxial Test Equipment
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Practice Questions
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What does the triaxial test primarily measure?
💡 Hint: Think about what we evaluate during soil testing.
Name one type of triaxial test.
💡 Hint: We mentioned three specific types.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of the triaxial test?
💡 Hint: Focus on the aspect of soil behavior we observe during the test.
The Consolidated-Undrained test does not allow for drainage. Is this statement True or False?
💡 Hint: Remember what happens during this testing process.
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Challenge Problems
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You are given a clay sample with a known pore water pressure parameter A = 0.65. If the confining pressure σ3 is 100 kPa and you apply an axial stress resulting in a difference of σ1 - σ3 = 50 kPa, calculate the pore water pressure during the test.
💡 Hint: Pay attention to how A influences pore water pressure.
Consider a soil with cohesion (c) of 25 kPa and angle of internal friction (ϕ) of 30 degrees. Using Mohr’s Circle, describe how to find the maximum shear stress at failure.
💡 Hint: Recall how the geometry of Mohr’s Circle relates to the stresses involved.
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