Practice Coarse Aggregates (6.2.2(a)) - Road Aggregates

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6 sample questions

Question 1.
What size defines coarse aggregates?
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Think about the sieve size.
Question 2.
Name one application of coarse aggregates.
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Consider where road foundations are built.
3Question 3.
What are coarse aggregates defined as?
- Aggregates smaller than 4.75 mm
- Aggregates retained on a 4.75 mm sieve
- Aggregates used only in concrete
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Focus on the sieve size.
4Question 4.
True or False: Coarse aggregates are only used in concrete pavements.
- True
- False
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Remember the applications discussed.
Question 5.
Design a pavement structure using coarse aggregates and explain your reasoning for the sizes chosen.
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Consider the traffic load and pavement durability.
Question 6.
Evaluate the performance differences of angular versus rounded coarse aggregates in pavement layers.
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Focus on how shape impacts stability.

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