Computation of amplification factor of earthquake ground motion for a local sedimentary structure

We present methodology of calculating acceleration and corresponding earthquake ground motion characteristics at a site of interest assuming acceleration at a reference site for two basic configurations. In one configuration we assume that the reference ground motion is not affected by the local str...

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Bibliographic Details
Published in:Bulletin of earthquake engineering 2018-06, Vol.16 (6), p.2451-2475
Main Authors: Kristek, Jozef, Moczo, Peter, Bard, Pierre-Yves, Hollender, Fabrice, Stripajová, Svetlana
Format: Article
Language:English
Subjects:
Acceleration
Civil Engineering
Computation
Computer applications
Configurations
Earth and Environmental Science
Earth Sciences
Earthquakes
Environmental Engineering/Biotechnology
Geophysics
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Ground motion
Hydrogeology
Methodology
Original Research Paper
Sciences of the Universe
Sedimentary structures
Seismic activity
Structural Geology
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Description
Summary:We present methodology of calculating acceleration and corresponding earthquake ground motion characteristics at a site of interest assuming acceleration at a reference site for two basic configurations. In one configuration we assume that the reference ground motion is not affected by the local structure beneath the site of interest. In the other configuration we assume that the reference ground motion is affected by the local structure. Consequently, the two configurations differ from each other by the presence of the reference site within the computational model. For each of the two configurations we assume two wavefield excitations: a vertical plane-wave incidence and a point double-couple source. We illustrate the methodology on the example of the Grenoble valley. The extensive investigation of effects of local surface sedimentary structures based on the developed methodology is presented in the accompanying article by Moczo et al. (Bull Earthq Eng, 2018 ) in this volume.
ISSN:1570-761X
1573-1456
DOI:10.1007/s10518-018-0358-0