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3 cards from this section. Quick, good the night before a test.
What is the primary purpose of the Response Spectrum Method?
Think about the challenges faced by unusual building shapes in earthquakes.
Name one method used to combine modal responses.
Consider methods that involve squaring values.
What does the Response Spectrum Method assess?
Consider what types of loads are dynamic versus static.
Is modal analysis necessary for every structure?
Think about simpler designs versus complex ones.
Given a building with specific mode shapes and frequencies, outline the complete steps to be performed in a modal analysis. Consider both the calculations and physical interpretations.
Start with identifying shapes and move towards assessing how each contributes to overall performance.
A tall building has been evaluated using both SRSS and CQC methods. Discuss scenarios where each might lead to different outcomes and the implications for design.
Consider the interactions between modes as you think about design implications.
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