3.7.1 - Concept and Definition
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Practice Questions
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Define Damping Modification Factor (DMF).
💡 Hint: Think about its role in seismic design.
Why is damping important in seismic design?
💡 Hint: Refer to its effects on structural safety.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does DMF stand for?
💡 Hint: Focus on its relation to damping.
True or False: DMFs are only applicable to structures with standard damping ratios.
💡 Hint: Remember their primary function.
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Challenge Problems
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A building has an assumed damping of 5%. Calculate the adjusted spectral acceleration if the real damping is found to be 8%. What is the DMF used?
💡 Hint: Make sure you substitute the right values into the formula.
Discuss the potential impacts on structural design if a damping ratio is underestimated during initial calculations.
💡 Hint: Reflect on safety margins and unexpected stress.
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