14.2.2 - Factors Affecting Durability
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Practice Questions
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What does higher aromatic content do to bitumen?
💡 Hint: Think about properties that help materials withstand the test of time.
Why are air voids in a mix significant?
💡 Hint: Consider what happens when air enters a material.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the effect of higher aromatic content on aging resistance?
💡 Hint: Consider how different compounds might interact with aging factors.
True or False: Excessive air voids in a mix can lead to faster material degradation.
💡 Hint: Think about how air and water can affect materials.
1 more question available
Challenge Problems
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Given a scenario where pavements are in an area with extreme weather changes, outline the steps an engineer should take in selecting appropriate materials.
💡 Hint: Consider what materials resist temperature changes effectively.
Explain how you would design a bituminous mixture for high-traffic areas prone to moisture ingress.
💡 Hint: Think about the properties that help withstand the stresses of heavy traffic and moisture.
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