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Replacement of cement with waste ceramic powder in cementitious composites: Results of a preliminary investigation

Author(s): Liberato Ferrara, Peter Deegan, Andrea Pattarini, Mohammed Sonebi, Su Taylor
Paper category: Proceedings
Book title: Proceedings of the International RILEM Conference
Materials, Systems and Structures in Civil Engineering 2016
Segment on Concrete with Supplementary Cementitious Materials
Editor(s): Ole M. Jensen, Konstantin Kovler and Nele De Belie
e-ISBN: 978-2-35158-179-7
Publisher: RILEM Publications SARL
Publication year: 2016
Pages: 396 - 405
Total Pages: 10
Language : English

Abstract: This study presents the results of a preliminary study aiming at assessing the feasibility of using waste ceramic powder as a partial replacement of cement in cement based mortars. The aim is to improve the sustainability footprint of concrete and cement based construction materials in the precast industry. Ceramic powders from two different sources have been employed, respectively coming from crushed bathroom waste fixtures and from foundry residuals. Two different cement replacement volume percentages have been considered, respectively 10%, 30%. Effects of the replacement on the workability and on the compressive and flexural strength development have been considered, up to longer curing periods in the region of three months. This is aimed at establishing if there is any potential for pozzolanic activity. The study is prodromal to investigating durability characteristics, including plastic and restrained shrinkage cracking potential. The results of the study provide an interesting insight into the possibility of using this kind of wastes as a concrete constituent, thus reducing the demand for raw cement and the burden on the landfills for disposing of such kind of invading waste.

Online publication : 2016
Publication type : full_text
Public price (Euros) : 0.00

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