Search results for " cultural heritage."

Halloysite nanotubes-based nanocomposites for the hydrophobization of hydraulic mortar

2021

Abstract The treatment of stone surfaces for their protection from ageing caused by natural and anthropogenic effects is an open issue in materials development for Cultural Heritage. We thought interesting to verify the suitability of a modified cellulose biofilm filled with halloysite nanotubes as wax compatibilizers to design a protecting layer. A hydraulic mortar was selected as a stone prototype. To improve the physico-chemical properties of the covering layer, wax microparticles have been incorporated to control transport, consolidation and wettability features. In particular, different application protocols have been studied, namely brushing and spraying, to assess whether the propos…

ACCESSIBILITY TO UNDERWATER CULTURAL HERITAGE: INTERACTIVE WEB NAVIGATION OF THE ROMAN SUBMERSED VESSEL OF CALA MINNOLA

2021

The possibilities offered by photogrammetric reconstruction based on computer vision algorithms allowed in recent years to develop new interesting solutions for the use and dissemination of knowledge on Cultural Heritage (CH). In the same way, the recent technological development in the field of Virtual Reality (VR) has offered new possibilities for the creation of interactive virtual environments which can be freely accessed via the browser using any type of device. These technologies acquire an additional relevance if applied to archaeological sites or monuments that are difficult to access, or even totally inaccessible, except by specialized personnel. In this case the virtual fruition o…

STUDY OF CAPILLARY ABSORPTION KINETICS BY X-RAY CT IMAGING TECHNIQUES: A SURVEY ON SEDIMENTARY ROCKS OF SICILY

2008

Sedimentary rocks are natural porous materials with a great percent of microscopic interconnected pores: they contain fluids, permitting their movement on macroscopic scale. Generally, these rocks present porosity higher then metamorphic rocks. Under certain points of view, this feature represents an advantage; on the other hand, this can constitute an obstacle for cultural heritage applications, because the porosity grade can lead to a deterioration of the lapideous monument for water capillary absorption. In this paper, CT (Computerized Tomography) image techniques are applied to capillary absorption kinetics in sedimentary rocks utilized for the Greek temples as well as baroc monuments, …

COMPARATIVE ANALYSIS FOR THE ASSESSMENT OF RESTORATION TREATMENTS ON STONE MATERIAL FROM THE ROMAN THEATER OF MERIDA (SPAIN)

2014

Mural salts characterization of "Penitenziati" mural paintings in Chiaramonte Palace (Palermo)

2009

Gilding and pigments of Renaissance marble of Abatellis Palace: non-invasive investigation by XRF spectrometry

2013

Most of the artworks constituting the collection of Renaissance statuary of Abatellis Palace in Palermo (Sicily) show evidence of colour layers and fragments of gold foil that probably once covered the whole marble surface. The restoration of some of these statues has allowed to carry out archaeometric studies about the painting technique and to highlight the original materials and inclusion present on the precious marbles by two famous Italian sculptors of the Renaissance, Francesco Laurana and Antonello Gagini. The measurements have been performed in situ through the integrated use of two non-invasive techniques: visible fluorescence stimulated by ultraviolet light and X-ray fluorescence.…

m-XRF applied to sedimentary rocks used in cultural heritages

2009

Vineyard soils and landscapes of the Burgundy Côte (France): a historical construction worth preserving

2012

International audience; The construction of vineyard landscapes along the Burgundy Côte is the result of geological processes and of human labour. Substratum diversity in this vineyard is the result of a very long history explained by the diversity of Jurassic sedimentary facies and Tertiary tectonic activity. The nature and thickness of Quaternary deposits (Weichselian scree debris and alluvial fans) reflect sediment dynamics concurrent with the last glaciation. As soon as humans started to occupy and cultivate these slopes, the changes they made in the land through crop development and roads began to structure the vineyard plots in a lasting way. The footprint of vine work in soils can be…

Entre destructions et reconstructions, le patrimoine sicilien pendant et après la Seconde Guerre mondiale

2020

Dans cette contribution, nous présentons les traces sur le terrain et dans les archives d’un bombardement survenu à Solonte dans la nuit du 12 décembre 1942. Le point de départ de cette recherche est une photographie conservée dans les archives du Musée archéologique régional Antonio Salinas, documentant la restauration d’une citerne de Solonte suite aux bombardements alliés. Nos recherches dans les archives ont permis de reconstituer la chronologie des faits et de mettre en lumière le rôle des Surintendants des Antiquités de la Sicile occidentale, Jole Bovio Marconi puis Vincenzo Tusa, pendant et après la guerre pour protéger le patrimoine culturel. Solonte, comme d’autres sites siciliens,…

Scienza e Archeologia. Aspetti della comunicazione e della didattica-diffusione

2017

Dopo alcune brevi considerazioni sullo sviluppo del dibattito sull'incontro/scontro tra scienza e umanesimo e sulla necessità di un approccio teoretico ed epistemico/epistemologico a tali questioni, questo contributo si incentra sullo specifico aspetto del rapporto tra scienze e archeologia. Senza la pretesa di essere esaustivi, la necessità di un approccio multidisciplinare o, per meglio dire, interdisciplinare che unisca l'archeologia con l'archeometria (specialmente nell'ambito delle analisi non distruttive), con l'antropologia fisica, la grafica computerizzata e altre discipline e tecniche e sia connesso ad uno studio integrato dei Beni Culturali è messa a fuoco sottolineando le diffico…