| Type | Size (cm2) | Area (cm2) |
Weight (kg/m’) | Allowed Strength (ton) | Ultimate Strength (ton) | Strong Support (ton) | Allowed Moment (ton) | Ultimate Moment (ton) | Tensile Strength (ton) | Reinforcement Strand (inch) |
| Square | 40×40 | 1.600 | 384 | 215,81 | 345,40 | 120-145 | 5.46 | 11,31 | 46.08 | 4 ST 1/2 |