Abstract
In this work a study about the vulnerability and seismic risk of the unreinforced masonry buildings, widely, existent in the Eixample district of Barcelona, Spain, is carried out. The buildings, here, analyzed are real and detailed structural drawings and reports have been used to model them. The seismic risk is evaluated by means of a mechanical model, based in the Capacity Spectrum Method. The seismic demand is described by elastic response spectrum defined by the Eurocode-8. Fragility curves are obtained from a nonlinear analysis, considering the capacity spectra. Expected seismic damage is gotten with the damage probability matrices. The analysis of the buildings has been performed by TreMuri program by means of a macro-element model. The results shown a considerable vulnerability in this type of buildings, therefore, in spite of the seismic hazard, the expected seismic risk is significant.
Highlights
En cuanto al edificio Casti, las paredes de la fachada principal y trasera tienen espesores de 50 cm y 45 cm, respectivamente, reduciéndose a partir del primer piso unos 10 cm y 15 cm, respectivamente
(13) Galasco, A.; Lagomarsino, S.; Penna, A.; Resemini, S.: “Non-linear seismic analysis of masonry buildings”
Summary
In this work a study about the vulnerability and seismic risk of the unreinforced masonry buildings, widely, existent in the Eixample district of Barcelona, Spain, is carried out. The buildings, here, analyzed are real and detailed structural drawings and reports have been used to model them. The seismic risk is evaluated by means of a mechanical model, based in the Capacity Spectrum Method. The seismic demand is described by elastic response spectrum defined by the Eurocode-8. Fragility curves are obtained from a nonlinear analysis, considering the capacity spectra. Expected seismic damage is gotten with the damage probability matrices. The analysis of the buildings has been performed by TreMuri program by means of a macro-element model. The results shown a considerable vulnerability in this type of buildings, in spite of the seismic hazard, the expected seismic risk is significant.
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