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Author(s): Matias, G., Torres, I. and Faria, P.
Paper category: Conference
Book title: XIII International Conference on Durability of Building Materials and Components - XIII DBMC
Editor(s): Marco Quattrone, Vanderley M. John
Print ISBN: none
e-ISBN: 978-2-35158-149-0
Publication year: 2015
Pages: 966-973
Total Pages: 8
Language: English

Abstract: Mortar coatings are usually the first elements to deteriorate, once they are the most exposed construction elements. Taking into account their protective function, it is easily understood the importance of the development of a correct conservation / rehabilitation intervention.

Old mortars were essentially air lime based and their rehabilitation must be executed with compatible mortars, so that they not only recover the protective function, but also contribute to maintain the integrity of the whole wall-render element and the aesthetic image of the building.

As it is known, many old lime-based mortars had ceramic residues in their composition, which are very abundant residues, particularly in Portugal. Thus, in an attempt to combine the interest of reusing waste ceramic, reducing the amounts that are typically landfilled, with the technical benefits that they can bring to rehabilitation mortars, experimental research has been developed, at the University of Coimbra, in collaboration with the NOVA University of Lisbon, on the behavior of lime mortars with incorporation of ceramic residues.

In this paper, it is presented a comparison between air lime mortars with ceramic residues with volumetric proportions of 1:3 and 1:2 (binder:aggregate), showing the advantages of the reintroduction of the ceramic residues into the productive chain. Studied mortars revealed a quite satisfying behavior as the inclusion of ceramic residues may improve the characteristics of common air lime mortars.

Online publication: 2015
Publication Type: full_text
Public price (Euros): 0.00

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