28.3 - Design Criteria
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Practice Questions
Test your understanding with targeted questions
What are the three main layers of flexible pavements?
💡 Hint: Recall the acronym SBS.
What strain occurs at the top of the sub-grade?
💡 Hint: Think about vertical deformation.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What are the three layers of flexible pavements?
💡 Hint: Think about the structure of flexible pavements.
True or False: Horizontal tensile strain can cause cracking in the upper layers of flexible pavements.
💡 Hint: Recall how strain affects pavement.
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Challenge Problems
Push your limits with advanced challenges
Calculate the allowable vertical compressive strain if the sub-grade's maximum limit is defined as 0.5% for a new pavement design.
💡 Hint: How does this influence your design decisions?
Discuss the implications of exceeding the horizontal tensile strain limit in bituminous layers within a pavement design.
💡 Hint: Consider why maintaining strain limits is crucial for pavement longevity.
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