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Rezistenta beton in functie de clase:
Rezistente caracteristice Rck, Rtk
| Clasa betonului |
Compresiune Rck [N/mm2] |
Intindere Rtk [N/mm2] |
| C 2.8/3.5 |
3.00 |
– |
| C 4/5 |
4.50 |
– |
| C 6/7.5 |
6.40 |
0.76 |
| C 8/10 |
8.50 |
0.92 |
| C 12/15 |
12.50 |
1.19 |
| C 16/20 |
16.60 |
1.43 |
| C 20/25 |
20.50 |
1.65 |
| C 25/30 |
24.30 |
1.86 |
| C 28/35 |
28.00 |
2.03 |
| C 32/40 |
31.60 |
2.20 |
| C 40/50 |
38.50 |
2.51 |
| C 50/60 |
45.00 |
2.78 |
Rezistente de calcul, valori de baza Rc*, Rt*
| Clasa betonului |
Compresiune Rc* [N/mm2] |
Intindere Rt* [N/mm2] |
| C 2.8/3.5 |
2.20 |
– |
| C 4/5 |
3.20 |
– |
| C 6/7.5 |
4.70 |
0.50 |
| C 8/10 |
6.50 |
0.60 |
| C 12/15 |
9.50 |
0.80 |
| C 16/20 |
12.50 |
0.95 |
| C 20/25 |
15.00 |
1.10 |
| C 25/30 |
18.00 |
1.25 |
| C 28/35 |
20.50 |
1.35 |
| C 32/40 |
22.50 |
1.45 |
| C 40/50 |
26.50 |
1.65 |
| C 50/60 |
31.50 |
1.85 |
Modul de elasticitate mediu pentru actiuni de scurta durata Eb
| Clasa betonului |
Eb [N/mm2] |
| C 2.8/3.5 |
– |
| C 4/5 |
– |
| C 6/7.5 |
14000 |
| C 8/10 |
21000 |
| C 12/15 |
24000 |
| C 16/20 |
27000 |
| C 20/25 |
30000 |
| C 25/30 |
32500 |
| C 28/35 |
34500 |
| C 32/40 |
36000 |
| C 40/50 |
38000 |
| C 50/60 |
40000 |
