Practice Shape Of Particles (6.1.5) - Road Aggregates

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the main reason why the shape of aggregates is important?
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Think about how they fit together.
Question 2.
Name a type of shape for aggregates.
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There are four main types discussed.
3Question 3.
What is the maximum Flakiness Index for surface courses?
- 10%
- 15%
- 20%
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Check standard specifications.
4Question 4.
True or False: Angular aggregates provide better interlocking compared to rounded aggregates.
- True
- False
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Consider how shapes interact.
Question 5.
Calculate the Flakiness Index for a sample aggregate batch where 20 out of 100 particles fall under the flaky category.
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Use the formula for calculating index percentages.
Question 6.
Design a construction plan that incorporates different shapes of aggregates for a high-load pavement. What shapes would you select and why?
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Think about the performance characteristics needed for each layer of pavement.

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