Practice Laboratory Tests On Concrete (8.3) - Batching of Concrete - Concrete Technology

Practice: Laboratory Tests on Concrete

Lesson 8.3Batching of Concrete

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10 questions

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4 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is tested during the compressive strength test?
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Think about the load requirement for structures.
Question 2.
What does the split tensile strength test measure?
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Consider why tensile properties might be important.
3Question 3.
What is the primary purpose of the compressive strength test?
- To measure the tensile strength
- To assess load-bearing capacity
- To evaluate the workability
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Think about what happens when load is applied to concrete.
4Question 4.
The split tensile strength is important for understanding which property of concrete?
- True
- False
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Recall that concrete is not as strong in tension.
Question 5.
A concrete mix passed its compressive strength test at 28 days with an average strength of 35 MPa. If it were designed for a structural element requiring 40 MPa, discuss potential actions for the project.
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Consider what it means for a concrete mix to be suitable for specific loads.
Question 6.
Discuss how the sampling method may influence the acceptance criteria in quality control for concrete mixtures.
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Think about how random or biased sampling impacts outcomes.

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