| Deflection [mm] due to: | Man-Chung Tang | Corneliu Bob | ||
| Initial design | Test results | *50% stiffness reduction | ||
| 1 | 2 | 3 | 4 | 5 |
| Full prestress δt | −761 | −1099 | −2198 | −1100 |
| Prestress loss δl | +76 (10%) | +550 (50%) | +1100 (50%) | +550 (50%) |
| Prestress active δa | −685 | −549 | −1098 | −550 |
| Total elastic deflection | +1055 | +1532 | +3064 | +2030* |
| Positive deflection | +370 | +983 | +1966 | +1470 |
| Creep deflection
| +481 (φ = 1.3) | +1573 (φ = 1.6) | +3146 (φ = 1.6) | +3060** |
| Final deflection after correction (20%) | +385 | +1258 | +2516 | +2450 |
e
p = 
e− δa
c= φ. 
p