Research Article
An Automatic Measurement Method of Test Beam Response Based on Spliced Images
Table 6
Cracks’ length results and deviations.
| | Fracture number | Load (kN) | Length identification (mm) | Length measurement (mm) | The deviation of length (mm) | Relative deviation (%) | Average deviation (%) |
| | ① | 150 | 184.298 | 169.355 | 14.943 | 8.82 | 5.40 | | 225 | 394.782 | 387.097 | 7.685 | 1.99 |
| | ② | 150 | 221.584 | 205.645 | 15.939 | 7.75 | 4.87 | | 225 | 296.086 | 290.323 | 5.764 | 1.99 |
| | ③ | 150 | 371.584 | 355.645 | 15.939 | 4.48 | 14.29 | | 225 | 469.545 | 378.387 | 91.157 | 24.09 |
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