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HAZUS-MH FAQs: Earthquake Model Analysis Parameters

What is the technical basis for determining building damage for a given earthquake event in HAZUS?

Determining building damage in HAZUS is based on a vulnerability function represented in three graphs.

  1. The building pushover curve, which represents building structural characteristics.
  2. The damped response spectrum, which represents ground acceleration and deformation.
  3. The fragility curve, which represents the damage expected for the given behavior of a model building type.

Overlaying the pushover curve on the response spectrum provides two values for the expected behavior of the building. These two values are then used as the input into the fragility function to determine the damage state probability.

For additional information, refer to the HAZUS Manuals and guidance materials available for download from the HAZUS Resources.

Need Additional Help?
Email: HAZUSGenHelp@nibs.org for general questions about HAZUS 
HAZUSQuakeHelp@pbsj.com for Earthquake Model questions

Last Modified: Wednesday, 11-Aug-2010 14:35:40 EDT

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