Practice High Strength Concrete (hsc) (16.2)

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5 questions

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2 cards from this section. Quick, good the night before a test.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the minimum compressive strength for HSC?
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Think of the grade that defines high strength.
Question 2.
List two benefits of using admixtures in HSC.
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Consider what you want to improve in concrete mixes.
3Question 3.
What is HSC primarily known for?
- Lightweight
- High compressive strength
- Low durability
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Focus on what 'high strength' means in concrete.
4Question 4.
True or False: Admixtures can have a negative impact on workability.
- True
- False
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Recall the different types of admixtures and their correct application.
Question 5.
Given a scenario where a high-rise building needs a foundation made with HSC, describe the steps and considerations in designing the mix.
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Consider site conditions and expected loads in your considerations.
Question 6.
What adjustments would you recommend if trial mixes show low workability even after using superplasticizers?
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Look at how the materials interact under temperature and moisture.

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