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3 cards from this section. Quick, good the night before a test.
What causes thermal cracking in bituminous mixes?
Think about temperature effects on materials.
Define fracture energy (Gf).
What quantifies a material's resistance to cracking?
What is thermal cracking?
Think about how cold weather affects pavement.
Low-temperature fracture toughness is important because it measures:
Consider why toughness would matter during colder temperatures.
Create a simulation to visualize how thermal cracking occurs in different temperature environments. What parameters would you modify to observe changes?
Think about the climate variations and how they impact roads.
Evaluate a case study of a pavement that experienced significant thermal cracking. What test methods would you recommend to measure its low-temperature fracture toughness?
Recall the tests discussed earlier in regards to cold environments.
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