Practice Constituents Of Concrete For Pavements (17.3) - Design of Concrete Mix for Pavements

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6 sample questions

Question 1.
What is the primary binding agent in concrete?
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Think about what holds concrete together.
Question 2.
Name one type of fine aggregate.
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It’s often found in construction areas.
3Question 3.
What is the main purpose of using admixtures in concrete?
- To increase strength
- To modify properties
- Both A and B
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Think about why we might want to change concrete's behavior.
4Question 4.
True or False: Water used in concrete should have a pH below 6.
- True
- False
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Remember the acceptable range for water.
Question 5.
A contractor needs to prepare concrete for a pavement design involving 400 kg of cement with a required water-cement ratio of 0.5. Calculate the total amount of water needed.
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Use the water-cement ratio formula.
Question 6.
Discuss the effects of using contaminated water for mixing concrete and propose a method to ensure water quality.
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Think about purification methods.

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