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Empirical correlation between inelastic and elastic spectral displacement demands

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Title: Empirical correlation between inelastic and elastic spectral displacement demands
Authors: Stafford, PJ
Sullivan, TJ
Pennucci, D
Item Type: Journal Article
Abstract: Inelastic spectral displacement demand is arguably one of the most effective, simplified means of relating earthquake intensity to building damage. However, seismic hazard assessment is typically conducted using empirical ground-motion prediction equations (GMPEs) that only provide indications of elastic spectral response quantities, which an engineer subsequently relates to inelastic demands using empirical relationships such as the equal-displacement rule. An alternative approach is to utilize relationships for the inelastic spectral displacement demand directly within the seismic hazard assessment process. Such empirical relationships are developed in this work, as a function of magnitude, distance, building period and yield strength coefficient, for four different hysteretic models that are representative of a wide range of possible structural typologies found in practice. The new relationships are likely to be particularly useful for performance-based seismic design and assessment.
Issue Date: 1-Aug-2016
Date of Acceptance: 22-Nov-2015
URI: http://hdl.handle.net/10044/1/29715
DOI: https://dx.doi.org/10.1193/020515EQS021M
ISSN: 8755-2930
Publisher: Earthquake Engineering Research Institute
Start Page: 1419
End Page: 1448
Journal / Book Title: Earthquake Spectra
Volume: 32
Issue: 3
Copyright Statement: Copyright 2016 Earthquake Engineering Research Institute. This article may be downloaded for personal use only. Any other use requires prior permission of the Earthquake Engineering Research Institute. Article Citation: Peter J. Stafford, Timothy J. Sullivan, and Domenico Pennucci (2016) Empirical correlation between inelastic and elastic spectral displacement demands. Earthquake Spectra In-Press. http://earthquakespectra.org/doi/10.1193/020515EQS021M
Keywords: Strategic, Defence & Security Studies
0905 Civil Engineering
Publication Status: Published
Appears in Collections:Civil and Environmental Engineering
Faculty of Engineering