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HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

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Also, the properties of these kinds of concretes were tested in fresh and hardened forms. The application of the recycled aggregates resulted in an evidence that they can be providing a concrete with resisting characteristic of 28 days quite higher than 20 MPa.The combinations of natural/recycled aggregates can be considered for certain applications without major risk.K Ke ey yw wo or rd ds s : Aggregate; Recycled concrete; Absorption; Compressive strength

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