Practice Mohr’s Circle Representation - 1.2 | 14. Unconfined Compression Test | Geotechnical Engineering - Vol 2
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Knowledge

1.2 - Mohr’s Circle Representation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does qu stand for in soil mechanics?

💡 Hint: Think about the test name.

Question 2

Easy

What is the confining pressure during the unconfined compression test?

💡 Hint: Consider the definition of 'unconfined'.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main purpose of the unconfined compression test?

  • To measure permeability
  • To determine unconfined compressive strength
  • To evaluate soil density

💡 Hint: Think about what we measure in soil mechanics.

Question 2

True or False: The minor principal stress in an unconfined compression test is always negative.

  • True
  • False

💡 Hint: Consider the definition of minor principal stress in this context.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a soil sample with an unconfined compressive strength of 200 kPa, how would the failure point shift if the degree of saturation decreases from 100% to 80%?

💡 Hint: Reflect on how saturation affects soil mechanics and strength.

Question 2

Construct Mohr's Circle for a soil undergoing unconfined compression where the applied axial stress at failure is 150 kPa. Label all important points and explain their significance.

💡 Hint: Make sure to include stress states that indicate shear and failure conditions.

Challenge and get performance evaluation