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




Preface

The NEHRP Consultants Joint Venture is a partnership between the Applied Technology Council (ATC) and the Consortium of Universities for Research in Earthquake Engineering (CUREE). In 2007, the National Institute of Standards and Technology (NIST) awarded a National Earthquake Hazards Reduction Program (NEHRP) “Earthquake Structural and Engineering Research” contract (SB1341-07CQ-0019)

to the NEHRP Consultants Joint Venture to conduct a variety

of tasks, including

Task Order 69220 entitled “Improved

Procedures

for Selecting and Scaling Earthquake

Ground Motions for Performing

Response History Analysis.”



The primary objective of this task was to develop guidance for selecting, generating, and scaling earthquake ground motions for effective use in performing responsehistory

analyses for use in performance-based seismic engineering. The need for such

guidance was identified in the ATC-57 report, The Missing Piece: Improving Seismic

Design and Construction Practices (ATC, 2003), which defines a roadmap

for the NIST problem-focused research and development program in earthquake engineering.



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