Evaluation Of The Seismic Performance Of Masonry Buildings Of The Type “Gaioleiro”, Lisbon (Portugal)

Mendes, Nuno; Lourenço, Paulo B.
July 2008
AIP Conference Proceedings;7/8/2008, Vol. 1020 Issue 1, p1863
Conference Proceeding
This paper presents a numerical study that aims at the seismic evaluation of the performance of typical Portuguese “gaioleiro” 19th century buildings. Numerical analysis was performed using a finite element model and was calibrated with experimental results obtained in 1:3 reduced scale tests done in the LNEC 3D shaking table. With the purpose of defining an adequate strategy for seismic performance evaluation, nonlinear dynamical analysis with time integration and pushover analyses were carried out. In the dynamic analysis, each earthquake is composed by two uncorrected artificial accelerograms compatible with the design response spectrum of EC8. In the pushover analyses it was considered that the seismic action is simulated through a set of horizontal forces proportional to the mass of structure and to the 1st vibration mode according to the direction being studied.


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