Practice Damping Effect (30.3.2) - Spectral Acceleration - Earthquake Engineering - Vol 2

Practice: Damping Effect

Lesson 30.3.2Spectral Acceleration

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8 questions

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6 sample questions

Question 1.
What damping ratio is commonly used in building designs?
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Think about standard practices in engineering.
Question 2.
Define what a damping ratio indicates.
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Consider its effect on vibration and energy.
3Question 3.
What is the standard damping ratio used in building designs?
- 2%
- 5%
- 8%
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It's a standard engineering practice.
4Question 4.
Higher damping will result in __________ spectral acceleration.
- True
- False
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Think about energy dissipation.
Question 5.
A school building designed with a 5% damping ratio shows spectral acceleration of 1.0g during a simulated earthquake. If the damping ratio is increased to 10%, what can you estimate will happen to the spectral acceleration and why?
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Think about how energy absorption changes.
Question 6.
In a seismic analysis, a building's response spectrum shows an increasing trend in spectral acceleration as damping decreases. At what damping ratio would you expect to see diminishing returns in terms of spectral acceleration?
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Consider extremely low resistance to vibrations.

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