The effects of solar UV radiation on the gloss values of polished stone surfaces

Careddu, Nicola; Marras, Graziella

doi:10.1016/j.conbuildmat.2013.09.010

Cited by 31 publications

(17 citation statements)

References 25 publications

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“…Another potential approach is represented by the physical decontamination methods (such as the mechanical cleaning, the use of ionizing or UV-radiation) [65]. These latter methods possess a series of disadvantages (the mechanical cleaning could damage the substrata, UV and gamma radiation can induce color changes).…”

Section: Classical Approachesmentioning

confidence: 99%

Selected Aspects Regarding the Restoration/Conservation of Traditional Wood and Masonry Building Materials: A Short Overview of the Last Decade Findings

2020

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Vernacular buildings are usually constructed using materials at hand, including wood, natural stone and bricks (either clay or mud bricks). All those materials are exposed to a series of environmental factors, affecting their structure and integrity. The literature review was conducted using different databases (Scopus, Web of Science, ScienceDirect, SpringerLink) using as keywords the historical material, "heritage" and the terms regarding the desired effect, within the envisaged time period (2010)(2011)(2012)(2013)(2014)(2015)(2016)(2017)(2018)(2019). The assessment of the results was performed by manual inspection (reading the entire article) and the selection of the works to be inserted in the current review was made by evaluating the contribution to the field. This review summarizes different aspects related to the restoration and conservation of wooden and masonry elements of traditional buildings, including materials used for biocidal interventions, protection against abiotic factors, cleaning and consolidation agents. Finally, a critical discussion regarding the current limitations and future perspectives concludes the review work, envisaging the role of researchers specialized in materials science in the context of cultural heritage conservation.

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Section: Classical Approachesmentioning

confidence: 99%

Selected Aspects Regarding the Restoration/Conservation of Traditional Wood and Masonry Building Materials: A Short Overview of the Last Decade Findings

2020

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“…However, the optical characteristics of marble are influenced over time through degradation [18][19][20][21]. Some research has been carried out on the structural properties and changes to surface optics of marble brought about by the exposure to polluted environments [22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Cool Marble Building Envelopes: The Effect of Aging on Energy Performance and Aesthetics

et al. 2016

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Marble envelopes represent a relatively common architectural solution used in variety of historic, modern and contemporary building facades. White marble envelopes have been shown to reduce solar heat gains, while improving indoor thermal comfort and energy efficiency in summer time. While marble is useful in this context, the urban atmosphere accelerates the degradation of marble elements. This leads to changes in optical characteristics, hence the aesthetics, and affects the energy efficiency benefits offered by white marble facades. These issues are investigated in order to predict the impact of degradation on energy performance and to the aesthetic value, such as change of color and luminosity. In this study, surface degradation of white marble is analyzed by means of accelerated weathering in the laboratory while examining changes to the optical characteristics of the materials. A dynamic simulation is carried out to assess the energy performance of a building as a case study.

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“…The images used for this kind of processing were acquired through high-definition scanning, following the same procedure already used in Akkoyun et al (2013) and Careddu and Marras (2013).…”

Section: Image Processingmentioning

confidence: 99%

Surface processing of stone by water-jet: assessment of the minerals’ luster and comparison with traditional technologies

Careddu¹,

Mazzella²,

Dessi³

2017

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Natural granite stones play an important role in construction and contemporary design because they are often used for cladding, flooring and generally for street decor. Luster is one of the features which are worth focussing on in order to determine where and how exactly natural stones should be used. Luster is directly related to the aesthetic features of the stone. It is not easily assessed due to the lack of economical instruments as well as standards. The objective of this study is to determine and analyze luster appearing on rough stone surface obtained using different surface finishing methods. For this purpose, a granite with a finish obtained using traditional technologies as well as a varied water-jet technique is studied. Image processing of the specimen are used to assess the luster of each mineral type in relation to the surface finishing technology. The correlations between operating parameters with luster are studied. The variations in the percentage of shiny crystals are also determined. The results of these tests indicate that water-jet technology further enhance the luster more than the competing technologies. Finally, the proposed method for the assessment of the percentage of shiny crystals on a rough stone surface has proven effective.

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The effects of solar UV radiation on the gloss values of polished stone surfaces

Cited by 31 publications

References 25 publications

Selected Aspects Regarding the Restoration/Conservation of Traditional Wood and Masonry Building Materials: A Short Overview of the Last Decade Findings

Selected Aspects Regarding the Restoration/Conservation of Traditional Wood and Masonry Building Materials: A Short Overview of the Last Decade Findings

Cool Marble Building Envelopes: The Effect of Aging on Energy Performance and Aesthetics

Surface processing of stone by water-jet: assessment of the minerals’ luster and comparison with traditional technologies

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