Practice Poisson’s Ratio (μ) (9.2.2) - Topics in Hardened Concrete

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6 sample questions

Question 1.
What is Poisson's Ratio?
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Think about lateral vs. axial dimensions.
Question 2.
What are typical values for Poisson's Ratio in concrete?
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Recall that the ratio indicates expansion direction.
3Question 3.
What does Poisson's Ratio measure?
- The ratio of shear to compressive strength
- The ratio of lateral strain to axial strain
- The volume of concrete under load
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Think about how deformation occurs in different directions.
4Question 4.
True or False: A higher Poisson's Ratio indicates less lateral strain under axial loading.
- True
- False
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Recall the definition of Poisson's Ratio.
Question 5.
Describe the impact of relying on inaccurate values of Poisson's Ratio for structural design.
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Consider how the building's weight and external forces affect stability.
Question 6.
If a concrete cylinder has an axial strain of 0.00345 and a Poisson's Ratio of 0.18, what is the lateral strain?
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Use the relationship defined by Poisson's Ratio.

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