Practice Shape And Texture (18.2.3.b) - Mix Design – Principles and Influencing Factors

Practice: Shape and Texture

Lesson 18.2.3.bMix Design – Principles and Influencing Factors

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9 questions

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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.
Why are rounded aggregates preferred for workability?
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Think about how smoothness helps in mixing.
Question 2.
What is workability?
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Consider the quality of the concrete's mixing process.
3Question 3.
What type of aggregates offer better workability?
- Rounded Aggregates
- Angular Aggregates
- Both
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Consider the smoothness of the aggregate.
4Question 4.
True or False: Angular aggregates can enhance the strength of concrete.
- True
- False
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Think about how shapes interact in a mix.
Question 5.
Design a concrete mix for a structure requiring high strength but that also needs to be placed in a tight area. Explain the selection of aggregates based on their shape and texture.
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Think about the balance between strength and placement ease.
Question 6.
Discuss how you would modify a concrete mix that is overly difficult to work with due to angular aggregates.
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Identify additives that can help achieve better flow and consistency.

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