The seismic assessment of the built heritage represents the first step in seismic prevention, especially in southern Italy, which is one of the most seismic-prone areas in the Mediterranean. For these reasons, several research centers have developed multiple building analysis tools over the years. CARTIS (CARatterizzazione TIpologia Strutturale) is one of these attempts, implemented by the interuniversity consortium ReLUIS (Rete Laboratori Universitari Ingegneria Sismica) together with the DPC (Dipartimento Protezione Civile). This project is based on the development of a systematic methodology for assessing the exposure of seismic risk on a territorial scale for ordinary buildings. The evaluation occurs through the compilation of two kinds of survey forms: “compartments” on a municipal level, and “buildings” for the single structure. This work aims to represent the results of the CARTIS survey campaign carried out on a case study in southern Italy: The municipality of Mendicino in the province of Cosenza. Based on the typological-structural features of the buildings highlighted in the compilation of the forms, the territorial survey led to the identification of two-town compartment: “old town” and “expansion area”. By focusing attention on masonry buildings only, the identification of the most common building typology within the “old town” sector takes place, intending to highlight the elements of greatest vulnerability. In particular, for the “tower-house” typology, these elements are as follows: The plan shape (square, rectangular and irregular), the story height, the number of floors, the type of masonry, the slab stiffness, and the percentage of openings. Pushover analyses are performed, combining these elements into a calculation model in order to recognize the safety index for each of them expressed as a ratio between displacement capacity and seismic demand. An intervention priority scale might be deduced from the index comparison, and the most vulnerable buildings are defined qualitatively.
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|Titolo:||A case study on seismic vulnerability assessment of masonry buildings by using Cartis database|
SCURO, Carmelo (Corresponding)
|Data di pubblicazione:||2020|
|Appare nelle tipologie:||4.1 Contributo in Atti di convegno|