Title: Seismic fragility curves for reinforced concrete buildings and bridges in Thessaloniki
Authors: TSIONIS GeorgiosFARDIS Michael
Citation: Proceedings of the Second European Conference on Earthquake Engineering and Seismology
Publisher: European Association for Earthquake Engineering
Publication Year: 2014
JRC N°: JRC90016
URI: http://www.2eceesistanbul.org
Type: Articles in periodicals and books
Abstract: Fragility curves are developed for the reinforced concrete buildings and bridges in the city of Thessaloniki, for use in the systemic seismic vulnerability and risk analysis of the urban area. The methodology is based on nonlinear analysis of simplified models and accounts for uncertainties in the demand and capacity quantities due to modelling and the variability of materials, geometry as well as of the seismic action. The fragility curves show that buildings may suffer minor damage for the design earthquake and that there is a safety margin before severe damage appears. The probability of damage on bridges is low for the design earthquake, but some may need to be closed to traffic. The results verify the favourable effect of modern seismic codes in substantially reducing the expected damage of structures. It is also demonstrated that the fragility curves of bridges vary significantly with their geometry, even for bridges having the same structural configuration.
JRC Directorate:Space, Security and Migration

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