32.1 - Seismic Excitation and Ground Motion Characteristics
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Practice Questions
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Define Peak Ground Acceleration (PGA).
💡 Hint: What does 'peak' refer to in this context?
What are the three main parameters of ground motion?
💡 Hint: Think about how ground movement can be measured.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does PGA stand for?
💡 Hint: What does 'peak' imply about the value?
True or False: Inelastic spectra represent structures that return to their original shapes post-load.
💡 Hint: Think about how elastic behavior differs from inelastic behavior.
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Challenge Problems
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Given an accelerogram, estimate the PGA, PGV, and analyze potential structural responses based on these parameters.
💡 Hint: Look at the highest peaks in the accelerogram data.
Design a simplified building model that can withstand specific PGV and PGA values while detailing how response spectra would inform material choices.
💡 Hint: Use established formulas related to structural dynamics in your calculations.
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