STRUCTURAL MONITORING OF MONUMENTAL BUILDINGS: THE BASILICA OF SANTA MARIA DEGLI ANGELI IN ASSISI (ITALY)

Abstract eng:
The preservation of architectural heritage and monumental structures is an important challenge of the scientific research, especially for the countries where cultural heritage is of primary concern and, at the same time, there are significant risk factors due to natural hazards as earthquakes. In this perspective, structural health monitoring systems can improve the protection of structures by providing real-time diagnostic data together with suitable procedures, which are able to identify possible occurring problems. In this work the first results given by a monitoring system placed in the Basilica of Santa Maria degli Angeli in Assisi will be presented. Data recorded by nine linear variable displacement transducers (LVDTs) are shown together with power spectral densities of acceleration time histories measured during ambient vibration tests. The spectral analysis results are compared with the natural frequencies given by a numerical model of the Basilica structural system.

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