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The number of significant cycles in a record matters most for

  • A.locating the focus of the earthquake
  • B.liquefaction and low-cycle fatigue assessment
  • C.estimating the epicentral distance
  • D.determining the magnitude of the event

Answer: B

Both liquefaction of sand and progressive damage in members depend on how many large cycles are applied, not merely on the largest one. Duration and cycle count are therefore converted into an equivalent number of uniform cycles.

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