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Fragility curves for old masonry building types in Lisbon


Improving the seismic resistance of traditional buildings is essential for preserving cultural heritage and increasing their safety. This is especially important for old masonry buildings in Lisbon (“Pombalino”, “Gaioleiro” and “Placa”), which are still used for housing and services. Taking this into account, this paper is focused on the seismic assessment of these three types of buildings. The buildings were modelled based on the equivalent frame model approach, their dynamic characteristics were determined and non-linear static (pushover) analyses were performed. Furthermore, for the seismic demand of Lisbon, the seismic performance of such building classes was defined and compared. Finally, with the aim of supporting seismic risk and loss estimation studies, a probabilistic assessment was carried out and the fragility curves for each building type derived.

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The authors would like to acknowledge the financial support of the Portuguese Foundation for Science and Technology (Ministry of Science and Technology of the Republic of Portugal) through the Research Project PTDC/ECM/100872.

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Correspondence to Ana Simões.

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Simões, A., Milošević, J., Meireles, H. et al. Fragility curves for old masonry building types in Lisbon. Bull Earthquake Eng 13, 3083–3105 (2015).

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  • Masonry buildings
  • Performance-based assessment
  • Non-linear static (pushover) analysis
  • Fragility curves