Research Article
An Automatic Measurement Method of Test Beam Response Based on Spliced Images
Table 7
The deflection results and deviations.
| Load (kN) | Location | Deflection (mm) | Dial indicator (mm) | Absolute deviation (mm) | Relative deviation (%) | Average deviation (%) |
| 50 | 1/4 | −1.26 | −1.15 | 0.11 | 9.57 | 8.49 | 1/2 | −1.54 | −1.45 | 0.09 | 6.21 | 3/4 | −1.13 | −1.03 | 0.10 | 9.71 |
| 100 | 1/4 | −2.80 | −2.70 | 0.10 | 3.70 | 5.14 | 1/2 | −3.31 | −3.21 | 0.10 | 3.12 | 3/4 | −2.40 | −2.21 | 0.19 | 8.60 |
| 150 | 1/4 | −3.96 | −3.76 | 0.20 | 5.32 | 4.79 | 1/2 | −4.80 | −4.75 | 0.05 | 1.05 | 3/4 | −3.51 | −3.25 | 0.26 | 8.00 |
| 200 | 1/4 | −5.26 | −5.18 | 0.08 | 1.54 | 3.76 | 1/2 | −6.33 | −6.10 | 0.23 | 3.77 | 3/4 | −4.62 | −4.36 | 0.26 | 5.96 |
| 225 | 1/4 | −7.08 | −6.99 | 0.09 | 1.29 | 2.88 | 1/2 | −8.00 | −7.75 | 0.25 | 3.23 | 3/4 | −5.30 | −5.09 | 0.21 | 4.13 |
| 250 | 1/4 | −10.11 | −10.00 | 0.11 | 1.10 | 1.96 | 1/2 | −12.26 | −11.98 | 0.28 | 2.34 | 3/4 | −8.43 | −8.23 | 0.20 | 2.43 |
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