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Results of maximum width measurement for CrackⅠ, CrackⅢ_06 and CrackⅣ_01.
| Measurement Result | CrackⅠ_01 | CrackⅠ_02 | CrackⅠ_03 | CrackⅢ_06 | CrackⅣ_01 |
|---|---|---|---|---|---|
| Calculated value (mm) | 0.544 | 0.981 | 1.993 | 2.980 | 8.431 |
| Reference value (mm) | 0.400 | 1.045 | 2.106 | 2.887 | 8.5 * |
| Error (mm) | 0.144 | −0.064 | −0.113 | 0.093 | −0.069 |
| Relative error | 36.0% | −6.1% | −5.4% | 3.2% | −0.8% |
Note: * indicates that the reference value is obtained by the crack ruler.
