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3 cards from this section. Quick, good the night before a test.
What does CBR stand for?
Think about what the test measures.
Is a higher CBR value better for subgrade strength?
Recall what high values signify about soil performance.
What is the primary purpose of the CBR test?
Remember what CBR indicates about soil strength.
True or False: A higher CBR value indicates weaker subgrade.
Think about the purpose of the CBR test.
Given a project with existing subgrade having varied CBR values (5, 10, and 15), discuss the implications on pavement design and how you would approach material selection.
Consider how each value informs potential construction techniques.
If a test site shows a CBR value of 3, what engineering interventions might you suggest to improve soil conditions for future pavement support?
Think about methods commonly used to strengthen weak soils.
6 more questions in this section. Enroll free to practise them all.
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