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The Royal Palace of Naples: Diagnosis, Assessment and Structural Restoration of Complex Roofing Timber Structures

The paper presents an overview on the timber structures of the Royal Palace of Naples. Focusing on the roofs of the Historical Apartment, located at the second level of the palace, different structural typologies are illustrated. The structural identification was achieved starting from an extensive in situ survey, aimed at assessing materials, conservation state, geometries and static schemes. Therefore 3D FEM models of the study systems as whole were set up and the structural analyses carried out, allowing to catch the weaknesses in terms of strength and deformation capacities; the safety checks were performed according to Eurocode 5 provisions. Finally, on the basis of the acquired knowledge, the appropriate retrofitting techniques were suggested [1, . In particular, with reference to the Diplomatic Hall (II), details of the realized restoration interventions, based on mixed technologies, are presented [.