| abstract |
The present invention relates to a mortar or concrete material comprising cement, water, fine aggregate and coarse aggregate, where the fine aggregate is partially replaced by metallic mineral extraction residues (REMM) not subjected to heat treatment, with a pH less than 7, with a particle size of less than 4 mm, and partially stabilized with limestone that comprises at least 60% calcite with a particle size of less than 63 μm. The present invention also relates to the method of preparing said material and to the use thereof in the preparation of construction materials. |