Practice Control Measures (2.5) - Segregation - Civil Engineering Materials, Testing & Evaluation

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10 questions

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6 sample questions

Question 1.
What is segregation in concrete?
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Think about different sizes of particles.
Question 2.
Name one cause of slump loss.
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Consider conditions that affect concrete workability.
3Question 3.
What is segregation in fresh concrete?
- A mixing process
- The separation of concrete components
- A type of curing
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Consider the positioning of the concrete components.
4Question 4.
Bleeding in concrete is associated with which phenomenon?
- True
- False
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Think about the water movement after pouring the concrete.
Question 5.
A construction manager notices significant slump loss during the summer months, leading to poor concrete quality. Develop a comprehensive plan to mitigate this issue.
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Consider temperature, transport, and mix adjustments.
Question 6.
A project faces issues due to re-tempering of concrete hardened on site. Discuss how the project can handle this without compromising future work.
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Focus on project management and strategies to avoid needing to add water.

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