Practice Aggregate Gradation Control (15.4.2) - Performance-Based Specifications and Superpave Method

Practice: Aggregate Gradation Control

Lesson 15.4.2Performance-Based Specifications and Superpave Method

Practise this section

8 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is aggregate gradation?
Show hintHide hint
Think about what the composition of the aggregate could imply.
Question 2.
Why are gradation control zones used?
Show hintHide hint
Consider the effects of having the wrong proportions of particles.
3Question 3.
What is the primary purpose of controlling aggregate gradation in asphalt mixes?
- To maximize material costs
- To enhance stability and durability
- To decrease weight
Show hintHide hint
Focus on what properties gradation affects.
4Question 4.
True or False: Gradation plots can help engineers assess the distribution of particle sizes in an aggregate mix.
- True
- False
Show hintHide hint
Think about the benefits of visual analysis.
Question 5.
Given a mix design with an aggregate gradation failure, identify the probable causes and suggest how you would revise the mix to meet performance standards.
Show hintHide hint
Consider how each size plays a role in pavement integrity.
Question 6.
Create a plan for evaluating the performance of an asphalt mix using gradation plots. What steps would you include?
Show hintHide hint
Think about the process from start to finish in evaluating mixes.

4 more questions in this section. Enroll free to practise them all.