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

Abstract : 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.
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https://hal-insu.archives-ouvertes.fr/insu-01761030
Contributor : Pierre-Yves Bard <>
Submitted on : Saturday, April 7, 2018 - 11:10:30 AM
Last modification on : Wednesday, September 16, 2020 - 2:40:03 PM

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Jozef Kristek, Peter Moczo, Pierre-Yves Bard, Fabrice Hollender, Svetlana Stripajová. Computation of amplification factor of earthquake ground motion for a local sedimentary structure. Bulletin of Earthquake Engineering, Springer Verlag, 2018, ⟨10.1007/s10518-018-0358-0⟩. ⟨insu-01761030⟩

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