Practice Trial Mixes (8.1) - Acceptability Criteria in Concrete Mix Design

Practice: Trial Mixes

Lesson 8.1Acceptability Criteria in Concrete Mix Design

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10 questions

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4 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a trial mix?
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Think about its usability in real projects.
Question 2.
What does the slump test measure?
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Consider what challenge relates to mixing and placing.
3Question 3.
What is the main purpose of creating trial mixes?
- To finalize the concrete design
- To evaluate performance under real conditions
- To save costs
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Reflect on the connection to real-world applications.
4Question 4.
True or False: Laboratory conditions always replicate field conditions in concrete testing.
- True
- False
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Consider potential discrepancies.
Question 5.
You are preparing for a large concrete project. Describe a systematic approach for conducting trial mixes including what factors you would adjust based on feedback.
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Consider how feedback from tests can lead to changes in your mix.
Question 6.
A recent pilot pour has shown significant segregation. Discuss possible causes and remedies for this issue.
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Reflect on what influences concrete cohesion in mixes.

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