Table 2 Material properties.
Material | Concrete | Pre-stressing steel | Mild steel | Net steel |
|---|---|---|---|---|
Class | C55/67–C60/75 | fp(0.1)k 1860 | B450C | B450A |
E (GPa) | 37 | 195 | 210 | 210 |
fyk (MPa) | – | 1860 | 450 | 450 |
fuk (MPa) | – | 2067 | 540 | 540 |
fck (MPa) | 58 | – | – | – |
εu (%) | 0.35 | 2.00 | 7.50 | 2.50 |