Practice Compaction Of Concrete (7) - Workability of Fresh Concrete

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8 questions

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Exercise
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6 sample questions

Question 1.
What is the primary purpose of compaction in concrete?
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Think about what air might do to concrete strength.
Question 2.
Name one method of compaction.
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Consider methods for small vs. large pours.
3Question 3.
What is the main benefit of concrete compaction?
- Increased workability
- Reduced air voids
- Improved finishing
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Think about what might weaken concrete.
4Question 4.
True or False: Over-vibration can lead to better concrete strength.
- True
- False
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Remember how vibrations affect the mix.
Question 5.
What factors need to be assessed when choosing between hand compaction and mechanical vibration for a large construction site?
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Think about efficiency and effectiveness.
Question 6.
If a contractor notices segregation occurring during the compaction process, what steps should they take to rectify this issue?
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Consider what adjustments can improve cohesion.

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