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Title

SPATIAL VARIABILITY OF NEAR-SOURCE SEISMIC GROUND MOTION WITH RESPECT TO DIFFERENT DISTANCE METRICS, WITH SPECIAL EMPHASIS ON MAY 29 2012 PO PLAIN EARTHQUAKE, ITALY

Year: 1394
COI: SEE07_524
Language: EnglishView: 191
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Authors

Kiana HASHEMI - PhD researcher, Department of Civil and Environmental Engineering, Politecnico di Milano, Milan, Italy
Ilario MAZZIERI - Post-doctoral researcher, Department of Mathematics, Politecnico di Milano, Milan, Italy
Roberto PAOLUCCI - Professor, Department of Civil and Environmental Engineering, Politecnico di Milano, Milan, Italy
Chiara SMERZINI - Post-doctoral researcher, Aristotle University of Thessaloniki, Greece

Abstract:

In near-source conditions, earthquake ground motion may illustrate specific features such as longperiod velocity pulses and directivity. One of the main features in characterization of ground motion in nearfault conditions is its spatial variability not only as a function of random variations of Fourier amplitude and phase, as it is usually considered in engineering practice, but also depending on physical constrains referring to the seismic source characteristics (fault geometry, kinematics of slip) and the interaction with the site conditions. In order to be able to predict reliably the earthquake ground motion and to simulate the combined effects of the near-source conditions and the site effects induced by complex geological structures, there is a certain need of using large size 3D numerical simulations. Therefore, this paper aims at illustrating thespatial variability of seismic motion predicted by a deterministic physics-based numerical study with emphasis on the sites affected by the Po Plain earthquake of 29 May 2012. Such a study is intended to illustrate the variability of peak ground motion with respect to different distance metrics available in the literature as well as proposing a new metric which can decrease the variability of results and the corresponding inter-event residuals significantly. Finally the results will be compared with the strong groundmotions recordings obtained during Mw6.0 29 May 2012 earthquake.

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Paper COI Code

This Paper COI Code is SEE07_524. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1132724/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
HASHEMI, Kiana and MAZZIERI, Ilario and PAOLUCCI, Roberto and SMERZINI, Chiara,1394,SPATIAL VARIABILITY OF NEAR-SOURCE SEISMIC GROUND MOTION WITH RESPECT TO DIFFERENT DISTANCE METRICS, WITH SPECIAL EMPHASIS ON MAY 29 2012 PO PLAIN EARTHQUAKE, ITALY,7th International Conference on Seismology and Earthquake Engineering,Tehran,https://civilica.com/doc/1132724

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