17.8 - Modal Truncation
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Practice Questions
Test your understanding with targeted questions
Define modal truncation in plain words.
💡 Hint: Think about simplifying analysis.
What is a modal mass participation factor?
💡 Hint: It's related to how modes affect the system.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is modal truncation primarily used for?
💡 Hint: Think about the purpose of simplifying analysis.
True or False: All modes contribute equally to the response during seismic events.
💡 Hint: Consider the significance of each mode.
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Challenge Problems
Push your limits with advanced challenges
You have a building with ten modes evaluated. The first five modes contribute to 85% of the total mass participation. Determine if you should truncate and which modes to keep.
💡 Hint: Look for cumulative ratios.
Analyze the potential pitfalls of truncating too many modes in a high-rise structure.
💡 Hint: Think about the risks of missing important dynamics.
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