Research Article
Deformation Forecast of Main Girder Enhanced by Stay Cable System with Unequal Interval Grey Model and Residual Composite Correction
Table 2
The fitting values by UIGM.
| Tensioning force/kN | Measured values/mm | Fitting values/mm | Residual/mm | Relative error/% |
| 630 | 25.30 | 25.3000 | 0.0000 | 0.0000 | 1,050 | 31.33 | 32.4076 | -1.0776 | -3.4395 | 1,155 | 33.27 | 34.4138 | -1.1438 | -3.4379 | 1,365 | 37.15 | 35.6871 | 1.4629 | 3.9378 | 1,575 | 42.78 | 37.4548 | 5.3252 | 12.4479 | 1,785 | 45.18 | 39.3101 | 5.8699 | 12.9923 |
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