Characterization of XVIIIth century earthen mortars from Cremona (Northern Italy): Insights on a manufacturing tradition

Cantù, Michela; Giacometti, Fabio; Landi, Angelo Giuseppe; Riccardi, María Pia; Tarantino, Serena C.; Grimoldi, Alberto

doi:10.1016/j.matchar.2015.03.018

Cited by 10 publications

(3 citation statements)

References 26 publications

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“…The restricted CaO range typical of the bricks of Palazzo Roverella and of the cotto of Santa Maria delle Grazie suggested that carbonate sediments were probably quarried as raw materials for brick production. This means that the Ferrara brick-makers noticed that CaO-rich clays produced bricks characterized by better physical-mechanical properties (e.g., higher compressive strength) because carbonates generally have a positive influence on brick textures by promoting a higher degree of vitrification [38,39].…”

Section: Xrpd Analysesmentioning

confidence: 99%

Geochemical and Mineralogical Characterization of Construction Materials from Historical Buildings of Ferrara (Italy)

2021

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This paper presents a chemical-mineralogical characterization of construction materials from medieval Renaissance buildings of Ferrara (NE Italy) to provide an insight into the nature and provenance of the raw materials used. Biagio Rossetti was an Italian architect and urbanist from the city of Ferrara. From 1483, he was the architect of the Duke of Ferrara Ercole I d’Este who in 1492 assigned him the project of enlarging the city of Ferrara. Biagio Rossetti is still famous because he designed and built many notable palaces and churches in Ferrara, e.g., the Palazzo Roverella, the monastery of Santa Maria delle Grazie and the renovation of the church of San Andrea. To date, only the first two historic buildings are still in use and consequently restored, while the church of San Andrea has been abandoned over the years and the remains have been subject to decay. Different kinds of samples (bricks, cotto, plaster and mortars) were collected from the three sampling sites and analyzed in X-ray fluorescence and X-ray diffractometer to investigate the construction materials through the evaluation of their chemical composition, historic building activity and degradation degree. These investigations should provide knowledge useful for restoration and conservation processes.

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Section: Xrpd Analysesmentioning

confidence: 99%

Geochemical and Mineralogical Characterization of Construction Materials from Historical Buildings of Ferrara (Italy)

2021

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“…Little amount of carbonates might be present in the fine fraction due to lime addition to the mortars, especially in post-17 th century samples. The aggregate (grain size > 63 µm) ranged between 75 and 95 wt%, mainly composed of quartz grains (30-40%), metamorphic rock fragments (mica schist and quartz-rich rocks, 5-30%), feldspars (5-10%), phyllosilicates (5-15%), amphiboles (0-5%), carbonates (0-5%), brick fragments (0-5%) and rare lime lumps (Cantù et al, 2015).…”

Section: Sampling and Sample Preparationmentioning

confidence: 99%

Application of different protocols and age-models in OSL dating of earthen mortars

et al. 2017

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Abstract:In this study, OSL dating was applied to earthen mortars, consisting in a quartz-rich aggregate dispersed in silty-clayey matrix. The samples were taken from two independently dated structures in Cremona, Northern Italy (Palazzo Raimondi, 1495-1499 AD and Palazzo Soldi, 1770-1790 AD). The evaluation of the equivalent dose (D e ) was attempted with both the multigrain and the single grain protocols using the 150-250 μm quartz fraction. The reliability and effectiveness of the various statistical methods in identifying the well-bleached samples were tested. The use of the multi-grain technique gave unreliable results, due to the high amount of poorly bleached grains. With the single-grain technique, more promising results were obtained: in particular, the un-log MAM3 and IEU models allowed an accurate evaluation of the mortar expected age in most cases, even if the precision is still relatively low.

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“…Assume assim um carácter claramente universal. Apesar da utilização da terra ser muitas vezes associada a construções de pequeno porte, erigidas com escassez de recursos financeiros, podem também ser encontradas paredes de terra e aplicações de argamassas deste tipo de material em construções históricas e culturais como palácios, igrejas, mosteiros e muralhas [4].…”

Section: Introductionunclassified

Avaliação do envelhecimento natural e de tratamentos superficiais ecológicos em rebocos de terra

2020

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Em conservação, os rebocos de terra podem ser utilizados como camadas de sacrifício. No entanto, a terra é vulnerável quando em contacto com a água. A aplicação de tratamentos superficiais ecológicos em rebocos de terra pode aumentar a sua durabilidade, ecoeficiência e gama de aplicações. Neste artigo avaliou-se o comportamento de um reboco de argamassa pré-doseada de terra aplicado in situ sobre muretes experimentais de alvenarias de adobe e de blocos de betão (em exposição exterior com proteção), e em condições controladas de laboratório, sobre tijolo furado, após um período de quatro anos de envelhecimento. Foram aplicados diversos tratamentos superficiais sobre os rebocos: óleo de linhaça, mucilagem de aloé vera e água da cozedura de massa e de arroz. Os rebocos foram caracterizados de forma não destrutiva. O tratamento superficial com óleo de linhaça apresenta bons resultados e melhora a durabilidade do reboco, conferindo-lhe adequada protecção contra a degradação natural.

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Characterization of XVIIIth century earthen mortars from Cremona (Northern Italy): Insights on a manufacturing tradition

Cited by 10 publications

References 26 publications

Geochemical and Mineralogical Characterization of Construction Materials from Historical Buildings of Ferrara (Italy)

Geochemical and Mineralogical Characterization of Construction Materials from Historical Buildings of Ferrara (Italy)

Application of different protocols and age-models in OSL dating of earthen mortars

Avaliação do envelhecimento natural e de tratamentos superficiais ecológicos em rebocos de terra

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