Research Article
Using Expert Opinion to Quantify Uncertainty in and Cost of Using Nondestructive Evaluation on Bridges
Table 3
Concrete and steel NDE method bias factor determined from the participant responses.
| | | Bias factor |
| | Concrete NDE methods | | | Cover meters/pachometer | 1.000 | | Impact echo | 1.060 | | Radar | 1.043 | | Ultrasonic testing | 1.029 | | Visual inspection | 1.011 | | Steel NDE methods | | | Acoustic emission | 1.050 | | Radiography | 1.029 | | Ultrasonic testing-crack detection | 1.013 | | Ultrasonic testing-pin inspection | 1.011 | | Ultrasonic testing-weld inspection | 1.014 | | Visual inspection | 1.033 |
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