Sorrentino, Paola (2023) Structural analysis and behaviour of complex monumental buildings in seismic areas: the St. Domenico Maggiore convent in Naples. [Tesi di dottorato]

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Abstract

This dissertation deals with the nonlinear structural behaviour of the Saint Domenico Convent, paradigmatic example of a Complex Monumental Building. Located in the historical centre of Naples, it consists of eight constructions built in different periods, ranging from the 8th to the 17th century, and having distinct features in terms of structural typology. Similar to many masonry buildings of this type, the convent has undergone a significant evolution over the years, with the addition of structural portions to existing ones, resulting in a highly complex configuration. The thesis, mainly devoted to the nonlinear behaviour of masonry structures, also provides an analysis of the historical evolution, along with alterations and changes in use. The analysis of such buildings has led to the proposal of a definition for complex monumental buildings. Even if characterized by a certain unity, these buildings differ from monumental buildings, like the Reggia di Caserta, Palazzo Farnese, or ecclesiastical monuments, that has an unity even if their construction spans over the years. Additionally, they cannot be assimilated to aggregate buildings, as first proposed by A. Giuffrè (1993) and later developed by numerous researchers, where the addition of structural portions to existing ones over the years is necessary to provide unity to urban development. In this dissertation, nonlinear analyses of the convent are carried out using a methodology intended for all complex buildings, that includes the analysis of the single structures, by neglecting the interaction with the others, and of the entire convent. In addition, it considers the analysis of the incremental addition of constructions. Nonlinear analyses conducted for seismic vulnerability assessment provide insights into the historical evolution and the impact of irregularities. The comparison of nonlinear behaviours and seismic vulnerability assessments in compliance with the N2 method provides results and methodologies that, in the author’s opinion, can be extended to so-called complex monumental buildings. The results are also extended to another building analysed in the thesis, the San Carlo all’Arena convent in Naples. In conclusion, based on the results of the analyses presented in this dissertation, the author strongly advices a methodology for the analysis of complex monumental buildings that includes the analyses of the single constructions, of the entire convent and of the incremental addition of constructions.

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