Practice Causes (2.3) - Segregation - Civil Engineering Materials, Testing & Evaluation - Vol 1

Practice: Causes

Lesson 2.3Segregation

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10 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
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Quiz
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6 sample questions

Question 1.
What is segregation in concrete?
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Remember the impact of particle size on composition.
Question 2.
Name one cause of bleeding in concrete.
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Think about the mix ratio you may have learned.
3Question 3.
What does segregation in concrete refer to?
- Uniform distribution of components
- Separation of components
- Improved durability
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Think about how components interact in a mix.
4Question 4.
Bleeding occurs when water rises to the surface of freshly placed concrete.
- True
- False
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Focus on the behavior of water in the concrete matrix.
Question 5.
A contractor is facing severe segregation in their concrete mix despite following guidelines. Analyze the situation and recommend a set of practical improvements to the mixing and pouring processes.
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Consider reviewing the entire process from mix design to placement.
Question 6.
A concrete sidewalk showed severe cracks due to bleeding. Discuss possible responses that could help mitigate similar issues in future projects.
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Focus on the composition of the concrete mix during preparation.

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