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Self-compacting Concrete: a Great Opportunity for Recycling Materials



Title: Self-compacting Concrete: a Great Opportunity for Recycling Materials
Author(s): Corinaldesi
Paper category : conference
Book title: International RILEM Conference on the Use of Recycled Materials in Building and Structures
Editor(s): E. Vázquez, Ch. F. Hendriks and G.M.T. Janssen
Print-ISBN: 2-912143-52-7
e-ISBN: 2912143756
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 600 - 609
Total Pages: 10
Nb references: 7
Language: English


Abstract: In general, for self-compacting concrete production a high volume of very fine materials is
necessary in order to make the concrete more fluid and cohesive. For this purpose, either
rubble powder (which is a powder obtained from suitable treatment of rubble from building
demolition) or ash from municipal solid waste incineration was used as mineral addition, in
order to ensure adequate rheological properties of the self-compacting concrete in the absence
of any viscosity modifying admixture. Recycled instead of natural aggregates were used by
completely substituting the coarse aggregate fraction. The fresh concrete properties were
evaluated through the slump flow, the V-funnel and the L-box test. Compressive strength and
segregation resistance were also determined. The results obtained showed that self-
compacting concrete could be successfully developed by incorporating both recycled
aggregates and waste powders with an improved quality of the concrete surface finishing.
This encouraging goal, beyond technical performance, matches with the more and more
widely accepted sustainable development issues.


Online publication: 2004-09-29
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143756.066


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