Recycled sand mortars - Berredjem, Layachi
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With a view to the recovery of recycled aggregates in cementitious materials, which constitutes an attractive ecological and economic alternative, the emphasis was placed on the recovery of recycled sand in the manufacture of mortars. In order to compensate for the high water absorption of recycled sand, a pre-wetting process was adopted, thus incorporating a high water-reducing superplasticizer. The aim of this work is twofold: The first is to find an optimal percentage of substitution of natural alluvial sand by recycled sand. The second objective is to compare mortars based on recycled sand…mehr

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Produktbeschreibung
With a view to the recovery of recycled aggregates in cementitious materials, which constitutes an attractive ecological and economic alternative, the emphasis was placed on the recovery of recycled sand in the manufacture of mortars. In order to compensate for the high water absorption of recycled sand, a pre-wetting process was adopted, thus incorporating a high water-reducing superplasticizer. The aim of this work is twofold: The first is to find an optimal percentage of substitution of natural alluvial sand by recycled sand. The second objective is to compare mortars based on recycled sand with and without fillers. In order to show the interest of the elaborated composites, an experimental study is approached aiming at determining the rheological properties and the mechanical and durability characteristics.
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Autorenporträt
Layachi Berredjem; nació en 1965 en Guelma, Argelia. Recibió su doctorado en Ingeniería Civil en 2018 en la Universidad de Badji Mokhtar - Annaba. Sus campos de investigación son..: Reciclaje de residuos de construcción, materiales de cemento reciclado y sostenibilidad.