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Extending ground-motion prediction equations for spectral accelerations to higher response frequencies
Date
2012-04-01
Author
Bommer, Julian J.
Akkar, Dede Sinan
Drouet, Stephane
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Ground-motion prediction equations (GMPEs) for spectral accelerations have traditionally focused on the range of response periods most closely associated with the dynamic characteristics of buildings. Providing predictions only in this period range (from 0.1 to 2 or 3 s) has also accommodated the assumed limitations on the usable period range resulting from the processing of accelerograms. There are, however, engineering applications for which estimates of spectral ordinates are required at shorter response periods. Recent work has demonstrated that high-frequency spectral ordinates are relatively insensitive to record processing, contrary to previous assumptions. In the light of this finding, additional regressions are performed to extend a recent pan-European GMPE to higher response frequencies. This model and others that also include coefficients for spectral ordinates at several high response frequencies are used to explore options for interpolating coefficients for equations that do not provide good coverage in this range. The challenges and uncertainties associated with such interpolations are discussed. The paper concludes that a set of standard response frequencies could be usefully established for future GMPEs.
Subject Keywords
Geotechnical Engineering and Engineering Geology
,
Geophysics
,
Civil and Structural Engineering
,
Building and Construction
URI
https://hdl.handle.net/11511/62818
Journal
BULLETIN OF EARTHQUAKE ENGINEERING
DOI
https://doi.org/10.1007/s10518-011-9304-0
Collections
Graduate School of Natural and Applied Sciences, Article
Citation Formats
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BibTeX
J. J. Bommer, D. S. Akkar, and S. Drouet, “Extending ground-motion prediction equations for spectral accelerations to higher response frequencies,”
BULLETIN OF EARTHQUAKE ENGINEERING
, vol. 10, no. 2, pp. 379–399, 2012, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/62818.