Vulnerability evaluation of the strategic buildings in Algiers (Algeria): a methodology

Youcef Mehani (), Djilali Benouar (), Hakim Bechtoula () and Abderrahmane Kibboua ()

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2011, vol. 59, issue 1, 529-551

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. Copyright Springer Science+Business Media B.V. 2011

Keywords: Reinforced concrete; Frame; Vulnerability; Structural capacity; Nonlinear dynamic analysis; Strengthening (search for similar items in EconPapers)
Date: 2011
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DOI: 10.1007/s11069-011-9774-z

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