Practice For High-strength Concrete (4.2) - Lightweight Concrete (LWC)

Practice: For High-Strength Concrete

Lesson 4.2Lightweight Concrete (LWC)

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9 questions

Flashcard drill
3 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 compressive strength threshold for High-Strength Concrete?
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Remember the definition.
Question 2.
Which material helps improve particle packing in HSC?
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Think about supplementary materials.
3Question 3.
What is the main characteristic of High-Strength Concrete?
- It has a low density
- It has a compressive strength over 60 MPa
- It is more expensive than regular concrete
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Focus on the compressive strength aspect.
4Question 4.
Is High-Strength Concrete more brittle than normal concrete?
- True
- False
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Consider its mechanical properties.
Question 5.
Given a scenario where a new high-rise building is planned, outline a basic mix design for High-Strength Concrete detailing component ratios and justifications.
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Focus on achieving high compressive strength with low water content.
Question 6.
Analyze the brittleness of High-Strength Concrete in comparison to regular concrete and suggest ways to mitigate this property in the design.
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Think about how modifications to composition can affect brittleness.

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