Practice Durability Tests For Bituminous Mixes (14.3) - Weathering and Durability of Bituminous Materials

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9 questions

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4 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does RTFOT simulate?
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Think about what happens directly after mixing.
Question 2.
What is the purpose of the Boiling Water Test?
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Consider how the binder interacts with aggregates.
3Question 3.
What does TSR stand for?
- Tensile Strength Ratio
- Total Strength Rating
- Time Strength Ratio
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Look for the term that relates to tensile properties and moisture.
4Question 4.
Is the RTFOT used to determine long-term aging effects?
- True
- False
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Consider the timing of the aging process.
Question 5.
Given a scenario where a bituminous mix is failing in a rainy climate, analyze which tests would be most beneficial to conduct and explain why.
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Focus on tests that directly assess moisture effects.
Question 6.
Evaluate the effectiveness of combining RTFOT and PAV results to inform future pavement designs. What might be the pros and cons?
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Consider the purpose of each test and how real-world conditions might vary.

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