2.11 - Subgrade Reaction Modulus (k-value)
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Practice Questions
Test your understanding with targeted questions
What does the k-value represent in pavement design?
💡 Hint: Think about how well it supports loads.
Which test is used to determine the k-value?
💡 Hint: Consider the name that involves loading a plate.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the k-value used to measure in pavement structures?
💡 Hint: Consider what stiffness relates to in materials.
The Plate Load Test is essential for determining which of the following?
💡 Hint: Think about the importance of testing for design purposes.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A circular plate of diameter 30 inches is loaded with 4000 lbs. If the settlement measured is 0.4 inches, calculate the k-value and discuss what this indicates about the subgrade.
💡 Hint: Remember to calculate the area of the plate first.
Discuss the impacts of frost and moisture variations on the k-value over time. What engineering practices could mitigate potential decreases in k-value?
💡 Hint: Think about how environmental factors affect soil behavior.
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