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A finite element analysis was carried out to assess the seismic behavior of Mustafa Pasha mosque in Skopje and the efficiency of a CFRP-based strengthening technique. The numerical models of the as-built and retrofitted mosque were calibrated and validated against the results of an extensive experimental investigation based on shaking table tests on a large-scale physical model. Linear dynamic and nonlinear static analyses were performed to design the retrofitting intervention and to analyze the seismic behavior of the large-scale model before and after strengthening. Experimental and numerical results were compared to assess the accuracy of the models. The formation of crack patterns observed on the large-scale model in the different phases of the testing program was analysed and the responses to lateral load were compared. Finally, the numerical models were used to predict the seismic behavior and the effectiveness of the retrofitting system on the full-scale prototype

To evaluate the seismic stability of Mustafa Pasha Mosque in Skopje strengthened by an advanced mixed technology, shaking table tests were carried out on a model in scale 1:6. The investigation was performed within the activities of the Sixth Framework Program PROHITECH -''Earthquake Protection of Historical Buildings by Reversible Mixed Technologies''. To define the effectiveness of the proposed strengthening the testing procedure consisted of two main phases: testing of the original model and testing of the strengthened model. The observed seismic behavior and damage during each phase of the testing program were analyzed on the basis of the obtained experimental results.

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This paper is concerned with the results of the vulnerability assessment of the iron roofing structures of the Umberto I Gallery in Naples. The study is performed considering both the damage caused by corrosive phenomena and the seismic risk. In particular, the evaluation of the seismic performance has been carried out by developing a three-dimensional finite element model of the structure and calculating the thickness loss due to corrosion on the basis of suitable damage curves.