Abstract
The present state of knowledge on the use of recycled concrete as an aggregate in new concrete is reviewed and suggestions made as to what further work is necessary before a proper assessment of the material can be made. Where crushed uncontaminated concrete is used the properties of the material as an aggregate and the basic engineering characteristics of the concrete made with it are well established. Much less is known about the type and quantity of impurities which could occur in crushed concrete from general building rubble and the effect these would have on concrete made using such crushed concrete as aggregate.
Résumé
On fait le point sur l'état présent des connaissances relatives à l'utilisation du béton recyclé comme granulat du béton nouveau. Et l'on présente quelques suggestions sur les travaux à accomplir avant qu'une évaluation correcte de ce matériau, puisse être faite. Lorsqu'il est utilisé sans impuretés, les propriétés du béton concassé en tant que granulat et les caractéristiques techniques de base du béton confectionné avec ce matériau sont bien établies. Mais on en sait beaucoup moins sur les types et quantités d'impuretés qui se rencontrent dans le béton concassé à partir d'un matériau de démolition global, et sur les effets qui peuvent en résulter pour le béton confectionné avec ces débris.
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Nixon, P.J. Recycled concrete as an aggregate for concrete—a review. Matériaux et Constructions 11, 371–378 (1978). https://doi.org/10.1007/BF02473878
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DOI: https://doi.org/10.1007/BF02473878