6533b7d0fe1ef96bd125ae16
RESEARCH PRODUCT
Degradation of stone materials in the archaeological context of the Greek-Roman Theatre in Taormina (Sicily, Italy)
Luigi TranchinaMaria BraiM. P. CasalettoG. GennaroMaurizio MarraleT. Schillacisubject
BrickEx situIn-situContext (language use)General ChemistryBrick wallSulphateArchaeologyDecomposition proceStructural characterizationSettore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)Cultural Heritages XRF Stone MaterialsX ray fluorescenceSoluble saltGeneral Materials ScienceArtificial stoneSalt efflorescenceHistorical heritageGeologydescription
In the present work results on the degradation phenomena of stone materials in the Ancient Theatre of Taormina, one of the most important Greek–Roman monuments of Sicily, are reported. Artificial stone materials in different conservation conditions were investigated. Samples of salt efflorescences from brick walls and degraded setting mortars were taken from the open gallery in “summa cavea”. The chemical, physical and structural characterization was performed by means of X-Ray Photoelectron Spectroscopy (XPS), X-Ray Diffraction (XRD) and X-Ray Fluorescence (XRF), both in situ and ex situ. Results showed that the deterioration of stone materials is due to the aggressive action of the environment agents. Soluble salts, such as chlorides, sulphates and nitrates, were found in efflorescence samples. Mortars were affected by a decomposition process induced by sulphates’ attack.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2010-01-01 |