Thermal analysis and archaeological chronology: The ancient mortars of the site of Baradello (Como, Italy)

Corti, Cristina; Rampazzi, Laura; Bugini, Roberto; Sansonetti, Antonio; Biraghi, Marco Stefano; Castelletti, Lanfredo; Nobile, Isabella; Orsenigo, C.

doi:10.1016/j.tca.2013.08.015

Cited by 42 publications

(25 citation statements)

References 32 publications

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“…The main mass loss was observed in the endothermic peak starting at 600 • C associated with the release of CO 2 , due to the process of decomposition of carbonates. The maximum processing temperature of the carbonate occurs between 750 • C and 850 • C [6,22]. In the case of the medieval wall samples, the maximum transformation takes place between 800 • C and 850 • C (Figure 7).…”

Section: Resultsmentioning

confidence: 99%

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The Case Study of the Medieval Town Walls of Gubbio in Italy: First Results on the Characterization of Mortars and Binders

et al. 2018

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Good conservation and restoration practices of cultural heritage assets rely on the knowledge of original materials. In the framework of the HERACLES Project (HERACLES-HEritage Resilience Against CLimate Events on Site, H2020 Grant Agreement 700395), dealing with the effects of climatic actions and natural hazards on built heritage, a set of important heritage sites are currently under study to improve their resilience against climate events. Among these are the medieval Gubbio Town Walls in Italy. The present work focuses on the mortars and binders of this monument and collected samples related to different parts of the Walls, corresponding to various historical periods of construction and interventions. They were characterized to determine their minerochemical composition, thermal behavior, and morphology. For that purpose, ex-situ laboratory techniques, such as X-ray diffraction (XRD), wavelength dispersive X-ray fluorescence (WDXRF), optical microscopy (OM), polarized light microscopy (PLM), scanning electron microscopy (SEM), and simultaneous differential thermal analysis and thermogravimetry (TG-DTA) were used to discern trends in different sampling areas due to construction/reconstruction periods and building techniques.

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Section: Resultsmentioning

confidence: 99%

“…Mortars can be used for different functions in a construction, such as a binding element of stone blocks, for filling the gap zones, or as a coating [5,6]. When used as a binding element between stone blocks, the physical and chemical integrity of this material is fundamental for maintaining the structure.…”

Section: Introductionmentioning

confidence: 99%

The Case Study of the Medieval Town Walls of Gubbio in Italy: First Results on the Characterization of Mortars and Binders

et al. 2018

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“…The morphology of some microfragments taken from the fresco after the biocleaning and the treatment with the anionic resin was observed with a FEI/Philips XL30 ESEM (Corti et al 2013. Every sample was analysed 'as is' in low vacuum mode (1 Torr) at 20 kV, by using GSE and BSE detectors.…”

Section: Scanning Electron Microscopy Analysesmentioning

confidence: 99%

Hi-tech restoration by two-steps biocleaning process ofTriumph of Deathfresco at the Camposanto Monumental Cemetery (Pisa, Italy)

et al. 2018

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“…The study of mortars samples from Roman catacombs, allowed Sánchez-Moral et al [8] to collect information about their setting techniques in relation to their function and to determine the state of conservation of mortars exposed to the particular conditions of hypogean environments. Moreover, data confirmed to be particularly useful to verify the sequence of construction phases retraced by the archaeologists, and to solve chronological issues [9,10,11,12]. In particular, Arizio et al [9], carried out statistical treatment of data obtained from calcimetric and chromatography analyses on the mortars of the Balivi Tower in Aosta (Italy) for distinguishing different construction phases on basis of chemical composition of the mortars.…”

Section: Introductionmentioning

confidence: 99%

Indirect chronology method employing rare earth elements to identify Sagunto Castle mortar construction periods

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Ramacciotti

Lezzerini

et al. 2017

Microchemical Journal

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A novel indirect chronology method has been developed to identify Sagunto Castle construction periods. The method is based on the use of inductively coupled plasma mass spectrometry (ICP-MS) to determine rare earth elements (REE) and other trace elements in mortars. Additionally, a no destructive geochemical analysis based on X-ray fluorescence (XRF) was employed for major elements determination. Collected chemical data were processed through Principal Component Analysis (PCA) to highlight any differences among the mortars belonging to different buildings and construction periods. The results show that PCA analysis permits to discriminate 2 construction periods according to mortar sample REE contents. Major elements and trace elements show just coarse differences related to the mortar composition. The proposed method permitted to clarify important issues about wall stratigraphy and its effectiveness on a novel indirect chronology developed method.

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Thermal analysis and archaeological chronology: The ancient mortars of the site of Baradello (Como, Italy)

Cited by 42 publications

References 32 publications

The Case Study of the Medieval Town Walls of Gubbio in Italy: First Results on the Characterization of Mortars and Binders

The Case Study of the Medieval Town Walls of Gubbio in Italy: First Results on the Characterization of Mortars and Binders

Hi-tech restoration by two-steps biocleaning process ofTriumph of Deathfresco at the Camposanto Monumental Cemetery (Pisa, Italy)

Indirect chronology method employing rare earth elements to identify Sagunto Castle mortar construction periods

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