Experimental Seismic Analysis of Monuments for Risk Mitigation

Abstract eng:
An experimental investigation, at the moment in progress, for the evaluation of the seismic vulnerability of a monumental structure and the effects of some reinforcement devices are presented. Referring to this monumental structure, that is a church, the authors obtained the dynamically identified analytical model and recognized that the drum-dome system was one of the macro-elements with highest risk. This result was obtained by analyzing the linear behaviour. In order to study the nonlinear behaviour, tests on reduced scale models were necessary. The models, with and without risk mitigation reinforcements, were subjected to seismic input with rising intensity in order to know the effects of the reinforcements themselves. A study was also begun in order to determine the ultimate load and ductility resources given by the various types of reinforcements used. Through the paper some details of the above investigation are discussed and the last results are presented.

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