Research Article
Prediction Methods for Routine Maintenance Costs of a Reinforced Concrete Beam Bridge Based on Panel Data
Table 7
Comparison of predicted and actual values of each item.
| | Items | Year | Quantities | | Predicted value | Actual value | Absolute value difference |
| | Replacement of expansion joints (m/km-lane) | 2016 | 2.26 | 2.37 | -0.11 | | Repair of expansion joints concrete (m3/km-lane) | 2017 | 0.15 | 0.13 | 0.02 | | Maintenance of bridge steel handrails (m/km) | 2016 | 2.04 | 1.58 | 0.46 | | 2017 | 2.87 | 2.09 | 0.78 |
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