14.6.2 - Stiffness Variation
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Practice Questions
Test your understanding with targeted questions
What is stiffness in structural terms?
💡 Hint: Think about how easily a material can bend or yield.
What effect does increased stiffness have on natural frequency?
💡 Hint: Recall the relationship between stiffness and vibration.
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Interactive Quizzes
Quick quizzes to reinforce your learning
How does increased stiffness affect natural frequency?
💡 Hint: Remember the basic relationship between stiffness and frequency.
True or False: Stiff buildings are always more vulnerable to damage during earthquakes.
💡 Hint: Consider the design factors involved.
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Challenge Problems
Push your limits with advanced challenges
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.
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.
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