32.4.5 - Response Spectrum Method for MDOF
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Practice Questions
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What does SRSS stand for?
💡 Hint: Think about a summation method.
What is a modal response?
💡 Hint: Consider how structures vibrate.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does SRSS stand for in seismic analysis?
💡 Hint: Think of the acronym and its mathematical implications.
When should the CQC combination method be used?
💡 Hint: Focus on the nature of the modes involved.
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Challenge Problems
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Consider a 12-story building modeled with 5 distinct modes. If modes 1 and 2 have correlated responses, simulate using both SRSS and CQC methods. Compare results.
💡 Hint: Focus on how correlation affects final calculations.
Create a scenario where an engineer uses SRSS and obtains a lower maximum design load under earthquake conditions than required. Explain this discrepancy.
💡 Hint: Consider the impact of mode interaction.
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