Vulnerability evaluation of the strategic buildings in Algiers (Algeria): a methodology |
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| Authors: | Mehani Youcef Benouar Djilali Bechtoula Hakim Kibboua Abderrahmane |
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| Institution: | (1) National Earthquake Engineering Research Centre, C.G.S, Rue Kaddour RAHIM, BP 252 Hussein Dey, Alger, Algeria;(2) University of Sciences and Technology Houari Boumediene, BP 32 El-Alia, Bab Ezzouar, Algiers, Algeria |
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| Abstract: | Algeria is a country with a high seismic activity. During the last decade, many destructive earthquakes occurred, particularly
in the northern part, causing enormous losses in human lives, buildings, and equipments. In order to reduce this risk in the
capital and avoid serious damages to the strategic existing buildings, the government decided to invest in seismic upgrade,
strengthening, and retrofitting of these buildings. To do so, seismic vulnerability study of this category of buildings has
been considered. Structural analysis is performed based on a site investigation (inspection of the building, collecting data,
materials characteristics, general conditions of the building, etc.) and existing drawings (architectural plans, structural
design, etc.). The aim of these seismic vulnerability studies is to develop guidelines and a methodology for rehabilitation
of existing buildings. This paper presents the methodology followed in our study and summarizes the vulnerability assessment
and strengthening of one of the strategic buildings according to the new Algerian Seismic Design Code RPA 99/version 2003.
As a direct application of this methodology, both static equivalent method and nonlinear dynamic analysis are performed and
presented in this paper. |
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