7.3.4 - Shape Tests
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 does the Flakiness Index measure?
💡 Hint: Think about how thickness is categorized.
What does the Elongation Index evaluate?
💡 Hint: Consider the relationship of length compared to the mean sieve size.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the Flakiness Index?
💡 Hint: Think about what flakiness refers to.
True or False: A combined index of 40% is acceptable for bituminous mixes.
💡 Hint: Recall the acceptable limits we discussed.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
You have an aggregate sample with a Flakiness Index of 18% and an Elongation Index of 25%. Is the combined index acceptable for use in a pavement mix? Show calculations.
💡 Hint: Add both indices to check against the requirement.
If a construction project requires aggregates with specific indices, how would you adjust a sample with 60% flaky particles to meet the 35% combined index requirement?
💡 Hint: Consider how you would compose a new mix.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.