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3 cards from this section. Quick, good the night before a test.
What is the primary role of the subgrade in pavement design?
Think about what lies underneath the pavement.
Why is good drainage quality important for the subgrade?
Consider how water impacts soil strength.
What is the main function of the subgrade in pavement construction?
Remember, it's what the pavement rests upon.
True or False: A weak subgrade can result in pavement cracks over time.
Consider the relationship between strength and support.
Evaluate a case where a highway pavement consistently shows cracking in a region with high rainfall. What role do subgrade and drainage likely play?
Consider the effects of water on material integrity.
Design a minor test to evaluate the stiffness of a proposed subgrade material for a new pavement project.
Think about standardized tests in engineering.
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