24.3.6 - Desirable properties
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Practice Questions
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What is the main purpose of ensuring stability in a bituminous mix?
💡 Hint: Think about what happens when heavy vehicles apply pressure on a road.
Define the term 'bitumen content.'
💡 Hint: Consider the role of bitumen in mixing.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of voids in a bituminous mix?
💡 Hint: Think about what happens when roads are used over time.
True or False: Bitumen content is not related to the durability of the mix.
💡 Hint: Consider how bitumen works in the mix.
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Challenge Problems
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You are tasked with designing a bituminous mix for a busy urban street in a cold climate. Detail the properties you would prioritize, and justify your choices.
💡 Hint: Think about traffic loads and environmental conditions.
Given a scenario where the bitumen content is too high, describe the likely effects on the mix performance and suggest remedies.
💡 Hint: Consider how balance in the mix affects its integrity.
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