Practice California Bearing Ratio (cbr) Test (4.3.1.1) - Evaluation of Soil Strength for Pavements

Practice: California Bearing Ratio (CBR) Test

Lesson 4.3.1.1Evaluation of Soil Strength for Pavements

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9 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does the acronym CBR stand for?
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Think of the test's full name.
Question 2.
What is the purpose of the CBR Test?
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Consider what this test evaluates regarding soil strength.
3Question 3.
What does the CBR Test evaluate?
- Soil moisture content
- Load-bearing capacity of soil
- Traffic volume
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Think about the main function of the CBR Test.
4Question 4.
True or False: A higher CBR value means a need for thicker pavement.
- True
- False
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Consider the relationship between strength and thickness.
Question 5.
A construction project requires a pavement structure suitable for high traffic volumes. The subgrade has a CBR value of 5%. What recommendations can be made for the pavement design?
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Consider what a low CBR value necessitates in terms of design.
Question 6.
You are given a project with various soil samples. Sample A has a CBR value of 10%, Sample B has 20%. How would the pavement specifications differ for each sample?
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What is the direct relationship between CBR values and pavement design choices?

5 more questions in this section. Enroll free to practise them all.