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dc.contributor.authorJosé Manuel Moreno-Maroto, Manuel Uceda-Rodríguez-
dc.contributor.authorCarlos Javier Cobo-Ceacero, Teresa Cotes-Palomino-
dc.contributor.authorCarmen Martínez-García, Jacinto Alonso-Azcárate-
dc.identifier.citationJosé Manuel Moreno-Maroto, Manuel Uceda-Rodríguez, Carlos Javier Cobo-Ceacero, Teresa Cotes-Palomino, Carmen Martínez-García, Jacinto Alonso-Azcárate, Studying the feasibility of a selection of Southern European ceramic clays for the production of lightweight aggregates, Construction and Building Materials, Volume 237, 2020, 117583,es_ES
dc.description.abstractNine clays traditionally used in the ceramic brick and tile sector in Southern Europe were evaluated for the production of lightweight aggregates: four from Spain, three from Portugal and two from Italy. The clays’ suitability was thoroughly examined according to their capacity for pelletizing, their tendency to burst during heating, the firing temperature and their technological properties. A greater proportion of phyllosilicates over nonplastic components is directly related to the bursting of the pellets during preheating. Increased sand contents and SiO2/(∑Flux = K2O + Na2O + CaO + MgO + FeO + Fe2O3) ratios are connected to higher firing temperatures, the opposite occurring with the MgO percentage. Those clays with a higher iron content (highlighting in this study the two Italian clays and the Spanish red one) would be more optimal for the development of an expanded structure. The findings of this work show that Southern Europe holds clay deposits with enormous potential in the production of lightweight aggregates. In particular, the red clay from the Zocca deposit (Italy) is remarkable for its excellent characteristics for the production of expanded lightweight aggregates (bloating index of 24.4% and loose bulk density of 0.47 g/cm3). These raw materials could have a new market line due to the multiple applications of lightweight aggregate in construction (lightweight concrete), horticulture as well as in civil and environmental engineering.es_ES
dc.description.sponsorshipThis research was conducted as a part of the SmartMats Project (MAT2015-70034-R), “Smart materials for sustainable construction”, funded by the Spanish Ministry of Economy and Competitiveness and FEDER (MINECO-FEDER). The authors gratefully acknowledge this support. The authors also gratefully acknowledge the technical and human support provided by CICT of the University of Jaén and the University of Málaga (UJA, MINECO, Junta de Andalucía, FEDER).es_ES
dc.relation.ispartofConstruction and Building Materialses_ES
dc.subjectLightweight aggregatees_ES
dc.subjectEnergy consumptiones_ES
dc.titleStudying the feasibility of a selection of Southern European ceramic clays for the production of lightweight aggregateses_ES
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