Practice Ductility Demand (6.15.2) - Equations of Motion of SDOF System for Mass as well as Base Excitation

Practice: Ductility Demand

Lesson 6.15.2Equations of Motion of SDOF System for Mass as well as Base Excitation

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8 questions

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6 sample questions

Question 1.
Define ductility demand.
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Think about how much a structure can bend before it fails.
Question 2.
What is the response reduction factor?
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Remember the R in the design equations!
3Question 3.
What defines ductility demand?
- A measure of material type
- Maximum displacement divided by yield displacement
- Total weight of structure
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Think about what happens before failure.
4Question 4.
True or False: Ductility demand is only relevant for steel structures.
- True
- False
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Consider different structures, not just steel.
Question 5.
A structure experiences a maximum displacement of 12 inches with a yield displacement of 4 inches. Calculate its ductility demand and discuss its implications for design.
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Remember the formula for ductility demand.
Question 6.
Consider a seismic design scenario where structural materials can achieve 10% ductility. If the expected maximum displacement during an earthquake is 8 inches, calculate the yield displacement and discuss the implications.
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Think about how ductility impacts material choice.

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