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Under moderate shaking, the level of damage a code-compliant building is expected to sustain is

  • A.damage confined entirely to the foundations and the ground beneath them
  • B.repairable damage, mainly to non-structural elements
  • C.no damage of any kind to any part of the structure or its finishes
  • D.complete collapse of the lateral load resisting system in a ductile manner

Answer: B

The code accepts that partitions may crack and finishes may spall in moderate shaking, so long as the structural frame remains sound and the building can be repaired and reoccupied. Expecting nothing at all to crack would require a far stiffer and more expensive structure than the risk justifies.

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