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REVIEW ARTICLES

Spatial variation of seismic ground motions: An overview

[+] Author and Article Information
Aspasia Zerva

Department of Civil and Architectural Engineering, Drexel University, Philadelphia PA 19104; aspa@drexel.edu

Vassilios Zervas

Deceased

Appl. Mech. Rev 55(3), 271-297 (Jun 10, 2002) (27 pages) doi:10.1115/1.1458013 History: Online June 10, 2002
Copyright © 2002 by ASME
Topics: Motion
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References

Figures

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Comparison of lagged coherency evaluated from recorded data at separation distances of 400m and 1000m for different smoothing windows
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Variation of empirical coherency models based on SMART-1 data with frequency at separation distances of 100, 300, and 500 m, and on LSST data at separation distances of 50 and 100 m.
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Variation of semi-empirical coherency models with frequency at separation distances of 100, 300, and 500 m
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Quasi-static and dynamic response of lifelines subjected to seismic motions experiencing different degree of exponential decay in their lagged coherency
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Comparison of recorded and reconstructed strong S-wave motions in the N-S direction at the center and inner ring stations of the array for Event 5
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Amplitude and phase variation of the motions at the center and inner ring stations
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Amplitude and phase variation of the aligned motions at the center and inner ring stations
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Amplitude and phase variation of the aligned motions at the center and middle ring stations
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Comparison of the common component amplitude and phase identified from the analysis of the inner and middle ring station aligned data
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Differential amplitude and phase variability with respect to the common component of the center and inner ring station aligned motions; envelope functions containing the variability are drawn by eye
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Differential amplitude and phase variability with respect to the common component of the center and middle ring station aligned motions; envelope functions containing the variability are drawn by eye
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Comparison of simulated time histories generated by means of the spectral representation method and the models of Harichandran and Vanmarcke (1986) and Luco and Wong (1986)
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Comparison of power (PSD) and cross (CSD) spectral estimates generated by the CDRA method with target ones
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Comparison of power (PSD) and cross (CSD) spectral estimates generated by the HOP method with target ones
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Comparison of mean amplitudes generated by the CDRA method with target ones
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Comparison of mean amplitudes generated by the HOP method with target ones

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