Practice Influence Of Ground Motion Characteristics (6.16) - Equations of Motion of SDOF System for Mass as well as Base Excitation

Practice: Influence of Ground Motion Characteristics

Lesson 6.16Equations of Motion of SDOF System for Mass as well as Base Excitation

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9 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does Peak Ground Acceleration (PGA) measure?
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Think about how fast the ground is shaking.
Question 2.
Why is the duration of motion important?
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Consider how prolonged shaking might affect a building.
3Question 3.
What is the relationship between Peak Ground Acceleration and the forces acting on a structure?
- Higher PGA means less force
- Higher PGA results in larger forces
- PGA has no impact on forces
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Remember what happens when acceleration increases.
4Question 4.
True or False: Longer durations of ground motion do not affect structures.
- True
- False
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Think about how repeated stress can affect materials.
Question 5.
Given a building with a natural frequency of 2 Hz, determine the risks if predominant ground motion has a frequency of 2.2 Hz during an earthquake.
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Assess the proximity of the frequencies to understand the resonance impact.
Question 6.
Calculate the potential inertia force experienced by a mass of 500kg with a Peak Ground Acceleration of 0.8g during an earthquake.
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Remember the formula for force: F = ma.

5 more questions in this section. Enroll free to practise them all.