| Model | S-1 | S-2 | S-3 | S-4 | S-5 | S-6 | S-7 | S-8 | S-9 |
| Concrete Strength | 60 | 70 | 80 | 60 | 70 | 80 | 60 | 70 | 80 |
| Bearing Capacity | 15.72 | 18.95 | 21.76 | 18.82 | 20.65 | 20.41 | 21.01 | 21.35 | 22.91 |