Practice Hardened Concrete – Non-destructive Tests (12) - Hardened Concrete – Non-Destructive Tests

Practice: Hardened Concrete – Non-Destructive Tests

Lesson 12Hardened Concrete – Non-Destructive Tests

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the main purpose of Non-Destructive Testing?
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Think about how testing could affect a structure.
Question 2.
Name one advantage of the Rebound Hammer Test.
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Consider the practical applications in the field.
3Question 3.
What does NDT stand for?
- Natural Density Test
- Non-Destructive Testing
- Nutritional Density Test
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What term is commonly used in engineering for safe testing?
4Question 4.
The Rebound Hammer Test provides direct measurements of what?
- True
- False
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Consider if it measures strength directly.
Question 5.
You are testing an old concrete structure. The Rebound Hammer gives an average value of 25. What would be your next steps with UPV, and why?
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Think about where issues might lie in the structure.
Question 6.
A core sample shows only 72% compressive strength compared to specified values. What does this indicate about the concrete quality, and what actions should you take?
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Consider what percentage might require attention in structural integrity.

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