Practice Spectral Acceleration In Seismic Isolation And Dampers (30.16) - Spectral Acceleration

Practice: Spectral Acceleration in Seismic Isolation and Dampers

Lesson 30.16Spectral Acceleration

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8 questions

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6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What happens to the spectral acceleration when using base isolation?
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Think about the earlier periods in the response spectrum.
Question 2.
Name one type of energy dissipation device.
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Consider devices that soften the building's response to shaking.
3Question 3.
What does spectral acceleration refer to?
- The maximum velocity of a structure
- The maximum acceleration experienced by a structure under seismic forces
- The average force on a structure
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Think about the forces experienced during shaking.
4Question 4.
True or False: Base isolation generally increases the spectral acceleration experienced by a building.
- True
- False
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Consider the concept of decoupling a structure from ground motion.
Question 5.
A new base-isolated building design anticipates a damping ratio of 15%. Calculate the expected spectral acceleration given a standard response spectrum for 5%. What impact does this have on the design?
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Refer to the reduction factor table provided in the chapter.
Question 6.
Evaluate the effects of installing energy dissipation devices on a multi-storey structure's behavior during an earthquake. What calculations must be performed to reassess the design?
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Consider how energy absorbed impacts the overall forces experienced by the structure.

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