Production of cement-stabilised mixtures with recycled material content. This product family includes cement-stabilised mixtures containing high percentages of recycled cement obtained from the grinding of railway sleepers. In this case as well, the recycled material is supplied by Gruppo Biagioli Srl and certified according to UNI/PdR 88. The products contain recycled material percentages ranging from 83.10% to 96.82% and fall within Classes A+ and A. Certified products: Cement-stabilised mix 70 CEM 42.5-CAM, Cement-stabilised mix 100 CEM 42.5-CAM, Cement-stabilised mix 150 CEM 42.5-CAM.