Practice Definition (2.1) - Segregation - Civil Engineering Materials, Testing & Evaluation

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6 sample questions

Question 1.
What is segregation in concrete?
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Think about how different materials might behave when mixed.
Question 2.
What does bleeding refer to in fresh concrete?
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Consider the liquid in a mixture settling after being stirred.
3Question 3.
What is segregation?
- Mixing cement with aggregates
- Separation of concrete components
- None of the above
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Think about how mixed materials could separate.
4Question 4.
True or False: Bleeding improves the workability of fresh concrete.
- True
- False
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Consider what happens when water rises to the surface.
Question 5.
A construction site notices segregation occurring frequently in their concrete mixes. Identify key preventive actions to recommend to the workers.
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Think about how materials interact in a mix.
Question 6.
In high-temperature conditions, bleeding is prevalent in a fresh concrete mix. Discuss how you would alter the batching process to minimize this issue.
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Consider how temperature affects setting times.

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