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Re: high-rise evaluation

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The seismic evaluation of buildings is often performed using ASCE 31 and ASCE 41 documents.  ASCE 31 is a relatively quick evaluation comprising of a Tier 1 series of checklists where if all the answers are "compliant" then further evaluation is not warranted.  If there are some "non-compliant" items then there are additional Tier 2 questions and checklists that may include some limited and simple calculations.  If the Tier 2 resolves all the Tier 1 non-compliant answers then further evaluation is not warranted.  If there are still unresolved items from the Tier 2 evaluations then a Tier 3 detailed analysis is normally performed.  This can be accomplished using ASCE 41 which includes procedures for determining which of several detailed analysis is most appropriate for your buildings and such as static linear, dynamic, static nonlinear, dynamic nonlinear, time history, etc.

Thomas Hunt, S.E.

"SGE Structural" <sgordin(--nospam--at)>
08/05/2009 01:59 PM
Please respond to seaint
high-rise evaluation

Good afternoon,
I am trying to find documents (for example, guides or manuals) pertaining to the engineering evaluation of the condition of existing high-rise buildings (structural, as well as mechanical, electrical, and other aspects).
Could anybody give me some advice on where to look for such documents?
V. Steve Gordin, SE
Irvine CA

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