24.2.1 - Objectives of mix design
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
What is the main objective of incorporating sufficient bitumen in a bituminous mix design?
💡 Hint: Think about the lifespan of the pavement.
How do air voids benefit a compacted asphalt mix?
💡 Hint: Consider what happens after the traffic applies pressure.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is one of the main objectives of suggesting sufficient bitumen in a mix?
💡 Hint: Think about what keeps a road surface intact.
True or false: Adequate air voids enhance compaction in bituminous mixes.
💡 Hint: Consider what happens during the mixing and application process.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
In a hypothetical scenario, a roadway coated with a bituminous mix has exhibited signs of cracking. Analyze how the objectives of mix design may have been overlooked and the potential consequences.
💡 Hint: Recall which specific mix design objectives could influence cracking.
Consider the effects of increased traffic loads on a pavement designed with insufficient shear strength. Predict the possible longevity of the pavement and suggest improvements you would make.
💡 Hint: Think about how the characteristics of the mix interact with load conditions.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.