Practice Unconfined Compression Strength - 1.3 | 14. Unconfined Compression Test | Geotechnical Engineering - Vol 2
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Knowledge

1.3 - Unconfined Compression Strength

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the unconfined compression strength?

💡 Hint: Think about how strong the soil can be when there’s no pressure around it.

Question 2

Easy

Why is it important to measure unconfined compression strength?

💡 Hint: Remember when we talked about foundations!

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 value of the minor principal total stress in an unconfined compression test?

  • 100 kPa
  • 0
  • 200 kPa

💡 Hint: Recall that ‘unconfined’ means no pressure surrounding the specimen.

Question 2

True or False: Unconfined compression strength is an indicator of a soil's ability to support structures.

  • True
  • False

💡 Hint: Think back to the importance of unconfined compression tests in construction.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have a clay soil sample with an unconfined compression strength of 150 kPa. After testing, you find a moisture increase. Predict how its strength may change, providing reasoning.

💡 Hint: Consider the inverse relationship learned in class.

Question 2

Explain how performing an unconfined compression test could create differing outcomes in saturated versus unsaturated soils, using specific examples.

💡 Hint: Recall our discussions about moisture effects on load-bearing capacity.

Challenge and get performance evaluation