Practice Stiffness Variation - 14.6.2 | 14. Natural Frequencies | Earthquake Engineering - Vol 1
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Knowledge

14.6.2 - Stiffness Variation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is stiffness in structural terms?

💡 Hint: Think about how easily a material can bend or yield.

Question 2

Easy

What effect does increased stiffness have on natural frequency?

💡 Hint: Recall the relationship between stiffness and vibration.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

How does increased stiffness affect natural frequency?

  • Decreases it
  • Increases it
  • Has no effect

💡 Hint: Remember the basic relationship between stiffness and frequency.

Question 2

True or False: Stiff buildings are always more vulnerable to damage during earthquakes.

  • True
  • False

💡 Hint: Consider the design factors involved.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a scenario where a city's building codes were not updated after a significant seismic event. Discuss the potential consequences regarding stiffness variations and practical steps to address these issues.

💡 Hint: Reflect on real-world examples of building failures and mitigation strategies.

Question 2

Calculate the effect of doubling the stiffness of a structure on its natural frequency if initially, the stiffness was given as 1000 N/m and mass as 100 kg.

💡 Hint: Remember to substitute values carefully into the formula.

Challenge and get performance evaluation