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Discussion

Pushover analysis differs from time-history analysis in that it

  • A.gives the response at every instant of the earthquake
  • B.applies a monotonically increasing lateral load pattern
  • C.integrates the equation of motion at every time step
  • D.requires no information about material nonlinearity

Answer: B

Pushing the structure gradually traces a capacity curve of base shear against roof displacement, showing where hinges form and in what order. It is a static nonlinear procedure and says nothing about the timing of demands.

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