| Stiffness | Yield moment | Maximum moment | Energy | |
| K (kN/rad) | Py (kNm) | Pmax (kNm) | E (kNmârad) | |
| HPJ1 | 129 | 4.54 | 7.35 | 761 |
| HPJ2 | 184 | 4.54 | 9.08 | 914 |
| HPJ3 | 256 | 7.41 | 12.26 | 1055 |