Practice Aggregates (3.3) - Definition of Self-Compacting Concrete (SCC)

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9 questions

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Exercise
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6 sample questions

Question 1.
What are the two main types of aggregates in concrete?
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Think of their size difference.
Question 2.
What is filling ability in SCC?
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It relates to how concrete behaves under its weight.
3Question 3.
What is the primary function of coarse aggregates in concrete?
- A) Provide volume
- B) Enhance color
- C) Reduce weight
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Think about the main purpose in construction.
4Question 4.
True or False: Fine aggregates are always larger than coarse aggregates.
- True
- False
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Consider the definitions both types.
Question 5.
Design a concrete mix for SCC using aggregates that achieve minimum segregation and maximum flowability. Describe the properties and grading you'd select.
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Think about how grading can affect flow.
Question 6.
Critically analyze how the choice of aggregates can influence the durability of SCC in marine environments.
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Consider environmental exposure when selecting aggregates.

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