32.3 - Response of SDOF Systems to Earthquake Motion
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Practice Questions
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What is natural frequency?
💡 Hint: Think about how things naturally move.
What does damping do to a vibrating system?
💡 Hint: How do you slow a swing down?
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Interactive Quizzes
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What is the purpose of using Duhamel's Integral?
💡 Hint: Focus on the type of vibration being analyzed.
True or False: Elastic response spectra are used for structures undergoing plastic deformation.
💡 Hint: Think about how structures behave under stress.
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Challenge Problems
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An SDOF system has a natural frequency of 3 Hz, and its damping ratio is 0.05. If it experiences earthquake ground motion with a peak acceleration of 2g, calculate the expected peak response using the response spectrum.
💡 Hint: Use appropriate response spectrum formulas based on the provided values.
A building designed as an SDOF system is found to exhibit inelastic behavior during an earthquake. Discuss the implications of this on the design spectrum and propose design alterations.
💡 Hint: Think about how construction might need to adapt to changing dynamics.
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