12.10 - Importance in Earthquake Engineering
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Practice Questions
Test your understanding with targeted questions
What is a 2-DOF system?
💡 Hint: Think about how many movements or directions can define a structure’s motion.
Why is modal interaction significant?
💡 Hint: Recall how multiple vibrations impact a structure.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a 2-DOF system help to analyze?
💡 Hint: Think about the various ways structures can move.
True or False: Resonance can create unsafe conditions for buildings.
💡 Hint: Recall how swings in rhythm can lead to larger swings.
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Challenge Problems
Push your limits with advanced challenges
Given a 2-DOF system with masses m1 = 1000 kg, m2 = 1500 kg, and stiffness k1 = 20000 N/m, k2 = 30000 N/m, calculate the natural frequencies and describe how the results affect the design considerations of an earthquake-resistant structure.
💡 Hint: Use the formula for natural frequency based on the mode shapes and stiffness.
How would you implement a tuned mass damper in a building modeled as a 2-DOF system? Discuss the design parameters that need to be considered.
💡 Hint: Remember that the dampers should not add excessive weight or mass to the structure.
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