Practice Aggregates (7.2.3) - High Performance Concrete - Concrete Technology

Practice: Aggregates

Lesson 7.2.3High Performance Concrete

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8 questions

Flashcard drill
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
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the typical maximum size of aggregates used in HPC?
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Think about what size actually fits well together.
Question 2.
Name one characteristic that aggregates must have for high quality.
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Consider what could weaken concrete.
3Question 3.
What is the ideal maximum aggregate size for High Performance Concrete?
- < 10 mm
- 10-20 mm
- > 20 mm
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Think about sizes that fit well in gaps.
4Question 4.
True or False: Lower water absorption in aggregates is preferred in High Performance Concrete.
- True
- False
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Think about what could weaken concrete.
Question 5.
Analyze a case where a bridge failed due to poor aggregate selection. What key factors related to aggregates contributed to its failure?
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Consider how each factor would interact with environmental forces.
Question 6.
You are tasked with designing aggregates for a high-rise building in a coastal area. Discuss the properties you would prioritize in selecting aggregates for this specific application.
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Think about the unique challenges coastal environments present.

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