This product family includes structural concretes manufactured using 10/16 crushed aggregate obtained from the recovery of railway ballast, supplied by Gruppo Biagioli Srl and certified according to UNI/PdR 88. The recycled material content ranges from 10.80% to 13.50%, and all products fall within Class C. The formulations comply with CAM requirements and are intended for applications with different characteristic compressive strength classes.