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3 cards from this section. Quick, good the night before a test.
What causes cracks to initiate in bituminous mixes?
Think about the weak points in the material.
What does fracture energy (Gf) measure?
Consider it as the energy buffer of the material.
What initiates crack formation in bituminous mixes?
Think about what defects in material could lead to a weakness.
True or False: Higher fracture energy indicates a material is more resistant to crack growth.
Consider what Gf represents.
Analyze a bituminous mix with high air voids and predict its crack propagation behavior under cyclic loading.
Consider how air voids affect overall structural integrity.
Design a bituminous mix to minimize crack propagation. Discuss the factors to consider in your design.
Think about how each component contributes to durability.
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