![]() ![]() The final aim is to set up computational tools, integrated with experimental observations, for use in the interpretation of observed crack patterns and to study the safety of these structures. The scope of this dissertation is the study of masonry shell structures of cultural heritage through limit analysis. The opportunity of a close investigation allowed to reveal one of the most interesting and complex pages of Catania’s baroque architecture and to investigate the cultural background and the mutual influences of the involved architects and masters. Archival documents and unpublished sources have been consulted, while 3D laser scanner surveys and non-destructive tests have been carried out to achieve complete and accurate results. These big vaults, which survived several following earthquakes, represent the highest expression of the XVII century architectural knowledge in eastern Sicily.Įach dome has been studied, both from a geometric and constructive point of view, in order to reveal the secrets concerning design, proportions, profile, construction and statics. ![]() The panorama of the rebuilt city was soon dominated, in the second half of the XVII century, by four baroque masonry domes, symbols of spiritual and temporal power: the domes of the Cathedral, Badiaĭi Sant’Agata, San Michele Arcangelo and San Nicolò l’Arena churches. The reconstruction was a slow and laborious challenge that gave birth to an historic centre, which is nowadays recognised as a UNESCO World Heritage Site. While major data breaches may be material to reasonable investors of public companies, there is no duty to promptly disclose the occurrence of cyber incidents unless there have been selective disclosures, previous misstatements or circumstances making the omission of the hack misleading.In 1693 Catania was destroyed by a violent earthquake. The SEC stated, “ number of disclosure requirements may impose an obligation on registrants to disclose such risks and incidents,” although there are no explicit requirements referring to data breaches. In 2011, the SEC Division of Corporation Finance issued guidelines for cyber incidents. ![]() Publicly traded companies who have securities disclosure obligations should be aware of their duties under the federal securities laws when it comes to data breaches and hacks. ![]() From 2013 to 2015, twenty major data breaches were reported at Fortune 100 companies. ![]()
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