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Pro109-2

WASTE CERAMICS AS PARTIAL CEMENT AND AGGREGATE REPLACEMENTS IN SELF-COMPACTING CONCRETE



Author(s): Paul Archbold, John Flattery
Paper category: Proceedings
Book title: proceedings of the International RILEM Conference on Materials, Systems and Structures in Civil Engineering Conference segment on Service Life of Cement-Based Materials and Structures
Editor(s): Miguel Azenha, Ivan Gabrijel, Dirk Schlicke, Terje Kanstad and Ole Mejlhede Jensen
ISBN:978-2-35158-171-4
e-ISBN: 978-2-35158-173-5
Publisher: RILEM Publications SARL
Publication year: 2016
Pages: 513-522
Total Pages: 10
Language : English


Abstract: There is increasing demand for the replacement of virgin materials in large-scale production
of construction materials. Similarly, there is a desire to reduce the amount of waste being sent
to landfill. Both of these demands are derived from concerns about the environmental impacts
of traditional methods of production and waste disposal. One approach to tackling both of
these concerns is to use recycled material in concrete production – either as a supplementary
cementitious material or as an aggregate replacement. This paper reports on preliminary
testing carried out on two types of waste ceramics – ceramic foundry casts and ceramic waste
sludge respectively, which have been examined as partial replacements for both the
cementitious material and the fine aggregates in self compacting concrete. Properties assessed
include rheology, compressive strength and durability. The impact of this partial replacement
of materials is reported and benchmarked against other similar studies. The results are
consistent with previously published values and indicate that the potential use of these waste
materials is worthy of further investigation. They indicate that the substitution of ceramic
materials in self-compacting concrete may improve the durability and performs in terms of
compressive strength. However, the addition of ceramic materials in a mix reduces the
passing/filling ability of the self-compacting concrete.


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


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