Research Article
Study on the Technical Status of Old Concrete Truss-Arch Bridge Based on Vehicle-Bridge Interaction
Table 2
Theory and experimental displacement values.
| | Position | Single-stage loading | Secondary loading | Unloading | | Experimental value (mm) | Experimental value (mm) | Theoretical value (mm) | Experimental value (mm) |
| | Mid-span | 3.58 | 4.98 | 4.63 | 0.21 | | A-quarter-span | 1.78 | 2.32 | 2.41 | 0 | | Arch springing | -0.15 | -0.50 | -0.50 | 0 |
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