2.5.3 - Importance in Pavement Design
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Practice Questions
Test your understanding with targeted questions
What is permeability in soil?
💡 Hint: Think about how water moves through different soil types.
Why is high permeability desirable for pavement subgrade?
💡 Hint: Consider the impact of water on pavement materials.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main consequence of high pore pressure in low permeability soils?
💡 Hint: What might happen when water builds up in dense soils?
True or False: High permeability soils are always preferred for pavement design.
💡 Hint: Think about connectivity between drainage and pavement performance.
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Challenge Problems
Push your limits with advanced challenges
Analyze a scenario in which a highway built on clayey soil experiences severe cracking after repeated rainfalls. What solutions could you propose to alleviate the damage?
💡 Hint: Consider the relationship between soil moisture and structural longevity.
Given two pavement designs—one using a high permeability base and the other using a low permeability base—detail the expected performance differences in terms of durability and maintenance.
💡 Hint: Think about how water affects soil quality over time.
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