14.7. Resonance and Structural Response

Try these first

1. 1.

   What happens when external forces match a structure's natural frequency?

   Hint

   Think about the effects of matching frequencies in sound.

2. 2.

   What is one method to avoid resonance in structural design?

   Hint

   Recall the concept of frequency adjustment.

3. 3.

   What is resonance?

   • A structural failure
   • Amplified vibrations due to frequency match
   • Normal damping action

   Hint

   Think of how sound waves react at specific frequencies.

4. 4.

   A base isolator is used to:

   • True
   • False

   Hint

   Consider the role of isolators in seismic design.

5. 5.

   Given a scenario where a high-rise building is designed in a seismically active city, outline a strategy to ensure it avoids resonance.

   Hint

   Consider factors mentioned in the lessons about damping and mass changes.

6. 6.

   Evaluate the impact of ignoring resonance in structural design, citing real-world examples to support your answer.

   Hint

   Look into historical earthquake case studies for supporting details.