Practice Aggregates (2.3) - Characteristics of High Performance Concrete

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9 questions

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6 sample questions

Question 1.
Define coarse aggregates.
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Think about the size of the aggregates.
Question 2.
What is an example of fine aggregate?
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Consider smaller particles used in concrete.
3Question 3.
What are coarse aggregates?
- A type of fine aggregate
- Gravel or crushed stone larger than 4.75 mm
- Sand used in concrete
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Remember the size classification.
4Question 4.
True or False: Cleanliness of aggregates affects the strength of concrete.
- True
- False
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Think about the effects of contaminants.
Question 5.
Design a concrete mix and choose suitable aggregates keeping in mind the durability required for a bridge construction in a coastal area.
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Consider environmental factors that may affect material choices.
Question 6.
Analyze how using angular versus rounded aggregates would change your concrete's compressive strength in a high-rise building.
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Think about the geometry of the particles when mixed.

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