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Direct use of PGV for estimating peak nonlinear oscillator displacements
Date
2008-10-10
Author
Akkar, Dede Sinan
Kucukdogan, Bilge
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A predictive model is presented for estimating the peak inelastic oscillator displacements (S-d,S-ie) from peak ground velocity (PGV). The proposed model accounts for the variation of S-d,S-ie for bilinear hysteretic behavior under constant ductility (mu) and normalized lateral strength ratio (R) associated with postyield stiffness ratios of alpha = 0 and 5%. The regression coefficients are based on a ground-motion database that contains dense-to-stiff soil site recordings at distances of up to 30 km from the causative fault. The moment magnitude (M) range of the database is 5.2 <= M <= 7.6 and the ground motions do not exhibit pulse-dominant signals. Confined to the limitations imposed by the ground-motion database, the model can estimate S-d,S-ie by employing the PGV predictions obtained from the attenuation relationships (ground-motion prediction equations). In this way, the influence of important seismological parameters can be incorporated to the variation of S-d,S-ie in a fairly rationale manner. This feature of the predictive model advocates its implementation in the probabilistic seismic hazard analysis that employs scalar ground-motion intensity indices. Various case studies are presented to show the consistent estimations of S-d,S-ie by the proposed model. The error propagation in the S-d,S-ie estimations is also discussed when the proposed model is associated with attenuation relationships. Copyright (C) 2008 John Wiley & Sons, Ltd.
Subject Keywords
Bilinear hysteretic model
,
Seismic design/performance assessment
,
Regression
,
Ground-motion predictive models
,
Inelastic spectral displacement
,
Peak ground velocity
URI
https://hdl.handle.net/11511/62507
Journal
EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS
DOI
https://doi.org/10.1002/eqe.819
Collections
Graduate School of Natural and Applied Sciences, Article
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D. S. Akkar and B. Kucukdogan, “Direct use of PGV for estimating peak nonlinear oscillator displacements,”
EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS
, pp. 1411–1433, 2008, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/62507.