22.2.3 - Toughness
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Define toughness in aggregates.
💡 Hint: Think about what happens to rocks when hit hard.
What test is used to measure toughness?
💡 Hint: The name of this test includes the word 'impact'.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does toughness in aggregates refer to?
💡 Hint: Remember the context of vehicle impacts.
True or False: Tough aggregates are necessary for safer pavements.
💡 Hint: Think about the road condition under traffic loads.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You are tasked with selecting materials for a new highway that will experience heavy truck traffic. Discuss your decision-making process considering aggregate toughness.
💡 Hint: Consider the impact of trucks over time.
Detail the consequences of using low-toughness aggregates in residential areas versus highways.
💡 Hint: Reflect on the difference in traffic and wear.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.