Sheet1Marca betonClasa beton (C140-86)Clasa beton (NE 012-99)Rezistenta la compresiune pe cilindru (Fck [N/mm2])Rezistenta la compresiune pe cub (Fck [N/mm2])B50Bc 3.5C 2.8/3.52.83.5B75Bc 5C 4/545B100Bc 7.5C 6/7.567.5B150Bc 10C 8/10810B200Bc 15C12/151215B250Bc 20C 16/201620B300Bc 22.5C 18/22.51822.5B330Bc 25C 20/252025B400Bc 30C 25/302530B450Bc 35C 28/352835--C 30/373037--C 35/453545B500Bc 40C 32/403240B600Bc 50C 40/504050--C 45/554555B700Bc 60C 50/605060

Sheet2

Sheet3