Title: Generated Accelerograms on the Example of Sofia City for the Purposes of Microzonation
Authors: PASKALEVA IvankaDIMOVA Silvia
Citation: Proceedings of the First National Research Conference on Emergency Management and Protection of the Population vol. 1 p. 282-291
Publisher: Bulgarian Disaster Management Commission
Publication Year: 2006
JRC N°: JRC31645
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC31645
Type: Contributions to Conferences
Abstract: Expected seismic excitation is analyzed along three profiles with length of 14 km, passing through the central part of Sofia city. Accelerograms are simulated for a scenario earthquakes with M=7. A hybrid modelling method is applied, based on the modal summation technique and finite differences scheme. The site amplification is calibrated taking into account the response spectra ratio of 2D to 1D models. As a result accelerograms are generated at intervals of 100 m along the three profiles. The seismic response of reinforced concrete industrial building designed according to the Eurocodes is studied by use of the generated accelerograms. Response characteristics, such as damage index and story drift are calculated. Maps of distribution of the damage index on the area covered by the three profiles are plotted for the considered scenario. The results could be used for the purpose of microzonation.
JRC Institute:Institute for the Protection and Security of the Citizen

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