Engineering-Seismological Analysis of Site Effects in the Area of Cologne |
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Authors: | Sergey Tyagunov Dirk Hollnack Friedemann Wenzel |
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Institution: | (1) Geophysical Institute, Karlsruhe University, Hertzstr. 16, 76187 Karlsruhe, Germany;(2) Munich Reinsurance Company, Munich, Germany |
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Abstract: | The study was implemented in the framework of the DFNK (Deutsches Forschungsnetz Naturkatastrophen – German Research Network
Natural Disasters) project. The area around the city of Cologne was chosen as an object for assessment of seismic hazard and
risk. A comprehensive geo-database was compiled for the area, which allows using a computational approach for analysis of
site amplification functions and probable surface effects. Taking into account peculiarities of the local soil conditions,
the analysis of site effects included both amplification of ground motions and liquefaction potential. These phenomena, having
different nature, are interrelated and can considerably contribute to seismic hazard. This paper presents some results obtained
on the base of computational analysis using geo-modeling. |
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Keywords: | geo-modeling site effects transfer functions response spectra liquefaction |
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