The S. Nicolò l'Arena Exedra in Catania was built up in 1722 in front of the homonymous Monastery. The façade is composed by natural and artificial stones: Syracuse stone for portals and windows frames, lava stone for the basement and a reddish plaster for plane surfaces, typical materials of the Catania historic buildings. Its color is due to the introduction of the so-called “ghiara” in the finishing mixture. A multi-technique study is here presented: after the obtainment of a detailed surveying of the building surface through the integration of 3D laser scanner and digital photogrammetry techniques, FTIR-ATR, Raman and XRD analysis were carried out to characterize structures, materials and their alteration products.

A multi-technique characterization study of building materials from the Exedra of S. Nicolò l'Arena in Catania (Italy)

Santagati, Cettina;Di San Lio, Eugenio Magnano;
2019-01-01

Abstract

The S. Nicolò l'Arena Exedra in Catania was built up in 1722 in front of the homonymous Monastery. The façade is composed by natural and artificial stones: Syracuse stone for portals and windows frames, lava stone for the basement and a reddish plaster for plane surfaces, typical materials of the Catania historic buildings. Its color is due to the introduction of the so-called “ghiara” in the finishing mixture. A multi-technique study is here presented: after the obtainment of a detailed surveying of the building surface through the integration of 3D laser scanner and digital photogrammetry techniques, FTIR-ATR, Raman and XRD analysis were carried out to characterize structures, materials and their alteration products.
2019
FTIR-ATR; ghiara; Laser scanner; Lava stone; Plaster; Raman spectroscopy; Syracuse stone; XRD; Civil and Structural Engineering; Architecture2300 Environmental Science (all); Building and Construction; Safety, Risk, Reliability and Quality; Mechanics of Materials
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/360977
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