12.5.3 - Crack Propagation Mechanisms
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Practice Questions
Test your understanding with targeted questions
What causes cracks to initiate in bituminous mixes?
💡 Hint: Think about the weak points in the material.
What does fracture energy (Gf) measure?
💡 Hint: Consider it as the energy buffer of the material.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What initiates crack formation in bituminous mixes?
💡 Hint: 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.
💡 Hint: Consider what Gf represents.
1 more question available
Challenge Problems
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Analyze a bituminous mix with high air voids and predict its crack propagation behavior under cyclic loading.
💡 Hint: Consider how air voids affect overall structural integrity.
Design a bituminous mix to minimize crack propagation. Discuss the factors to consider in your design.
💡 Hint: Think about how each component contributes to durability.
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