Practice Response Spectrum Analysis (4.11.2) - Difference Between Static Forces and Dynamic Excitation

Practice: Response Spectrum Analysis

Lesson 4.11.2Difference Between Static Forces and Dynamic Excitation

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6 sample questions

Question 1.
What is Response Spectrum Analysis?
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Think about how engineers ensure safety against earthquakes.
Question 2.
What does SDOF stand for?
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Consider how we simplify structures for analysis.
3Question 3.
What does Response Spectrum typically illustrate?
- Maximum temperature
- Maximum structural response
- Maximum wind speed
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Think about what aspect of structures during events we are trying to analyze.
4Question 4.
True or False: RSA only applies to Multi Degree of Freedom systems.
- True
- False
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Remember the definition of SDOF.
Question 5.
A 15-story building is modeled as an SDOF system with a natural frequency of 2 Hz. If a seismic event has a frequency of 2 Hz as well, what phenomenon would occur and what design considerations should be employed?
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Think back to how a swing moves more when pushed at the same frequency.
Question 6.
Using given response spectrum data, calculate the expected maximum acceleration for a building with a period of 0.5 seconds. The response spectrum data shows a peak acceleration of 1.2g at that period. What does this mean for the design?
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Consider how g relates to forces experienced by the building.

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