Toward an integrated seismic risk assessment for nuclear safety improving current French methodologies through the SINAPS@ research project

Abstract

International audienc

Analysis of rotation sensor data from the SINAPS@ Kefalonia (Greece) post-seismic experiment—link to surface geology and wavefield characteristics

“…All datasets recorded during the SINAPS@ post-seismic survey are open , see "Availability of data and materials" section for more information). The analysis of the accelerometer and broadband seismometer data "alone" has already led to several published studies (Berge-Thierry et al 2016;Imtiaz et al 2017;Svay et al 2017). In the present study, we focus on the analysis of the rotation data, with the combination of the translational data recorded in co-location with the rotation sensors.…”

“…Due to this high seismicity and the presence of a sedimentary basin, this area was chosen as a test site within the framework of the French National Research Agency PIA SINAPS@ project (www. institut-seism.fr/projets/sinaps/, Berge-Thierry et al 2016). A permanent accelerometric vertical network within the Koutavos basin, known as "Argonet, " has been installed with the long-term objective to perform the validation of three-dimensional, nonlinear computer codes (the notion of code validation being the quantitative comparison of the recorded ground motions with their numerical predictions, see, e.g., Maufroy et al 2015).…”

“…This survey was conducted within the framework of the SINAPS@ program (Berge-Thierry et al 2016). These new datasets are compared with the previously available datasets (Liu et al 2009;Takeo 2009;Yin et al 2016), and the relationships between translational acceleration and rotational velocity are discussed.…”

Dynamic Soil-Structure Interaction Modeling Strategies Applied to Kashiwazaki-Kariwa Nuclear Power Plant Case-Study

“…The research project SINAPS@ [1], currently on-going in France, aims to improve engineering methods in that field, integrating enhanced best-estimate scenarios, seismic analyses and uncertainties appropriate treatment in the whole chain of risk analysis. These innovative methodologies need to be implemented on a demonstrative case study and validated against real data to show that they can improve the margin prediction and the engineering practices.…”

Spatial coherency analysis of seismic ground motions from a rock site dense array implemented during the Kefalonia 2014 aftershock sequence

“…the major 1953, Mw 7.2 earthquake and induced an upfilt up to meter of a great part of the Kefalonia island). Because of this high seismicity, as well as the presence of sedimentary basin, the area was chosen as a test site within the framework of the French Research Agency (ANR) PIA Sinaps@ project (www.institutseism.fr/projets/sinaps/) [22] to validate 3D non-linear computational codes through the installation of a permanent accelerometric vertical network within the basin (Koutavos area). The area benefits from a first geophysical survey conducted in September 2013 that allowed identifying and characterizing rock outcropping area, among other objectives.…”