Practice Factors Influencing Mix Design (18.2) - Mix Design – Principles and Influencing Factors

Practice: Factors Influencing Mix Design

Lesson 18.2Mix Design – Principles and Influencing Factors

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8 questions

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4 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 range for water-cement ratios in concrete?
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Look at the section on water-cement ratios.
Question 2.
Name one type of admixture used to improve workability.
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Think about the additives listed in the admixtures section.
3Question 3.
What is one effect of a lower water-cement ratio?
- Higher workability
- Lower strength
- Higher strength
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Think about the relationship between water and strength.
4Question 4.
True or False: A well-graded aggregate mix has no voids.
- True
- False
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Remember the void content discussion.
Question 5.
A project requires a concrete blend suitable for a severe exposure environment. Discuss how you would optimize the mix design considering all influential factors.
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Don’t forget to consider the water quality and climate conditions as well.
Question 6.
You are designing a mix for a high-rise building where concrete must withstand both high load and severe weather conditions. List the necessary design considerations and why they are important.
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Reflect on how each factor interlinks with the others to achieve lasting performance.

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