11.18 - Base Shear Calculation in MDOF Systems
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Practice Questions
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What does base shear refer to?
💡 Hint: Think about the forces acting on a building during an earthquake.
Why is calculating modal responses important?
💡 Hint: Consider how different components might move.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is base shear?
💡 Hint: Consider what forces are acting sideways when an earthquake occurs.
Is calculating base shear unimportant for structural designers? (true/false)
💡 Hint: Think about the consequences of incorrect calculations.
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Challenge Problems
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A three-story building experiences modal contributions of 80 kN, 120 kN, and 160 kN respectively. Calculate the total base shear and explain its significance in structural design.
💡 Hint: Add the contributions together.
Discuss how an engineer would approach adjusting the structural design if the calculated base shear for a proposed building exceeds expected values based on local codes.
💡 Hint: What are some common techniques to strengthen buildings?
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