Selecting and Scaling Earthquake Ground Motions for Performing Response-History Analy

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Selecting and Scaling Earthquake Ground Motions for Performing Response-History Analyses

Author: NEHRP Consultants Joint Venture | Size: 6.2 MB | Format: PDF | Quality: Original preprint | Publisher: NIST | Year: November 2011 | pages: 256 | ISBN: NIST GCR 11-917-15

Seismic provisions in current model building codes and standards include rules for
design of structures using nonlinear response-history analysis, which are based, in
large part, on recommendations for analysis of seismically isolated structures from
more than 20 years ago. Unfortunately, there is currently no consensus in the
earthquake engineering community on how to appropriately select and scale
earthquake ground motions for code-based design and seismic performance
assessment of buildings using nonlinear response-history analysis.
This report provides guidance to design professionals on selection and scaling of
ground motions for the purpose of nonlinear response-history analysis. Gaps in the
current knowledge related to selecting and scaling ground motions for seismic design
and performance assessment are identified, and relevant provisions in current and
recent ASCE/SEI Standards are explained and clarified.

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