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This raises concern about the accuracy and application of non-destructive deflection testing for diagnosis and prediction of pavement performance.
Two of them are non-destructive methods, while the third one is a destructive method.
Deflection testing is a non-destructive method of assessing the structural adequacy of a pavement.
The center section wing spar passed its non-destructive test with flying colors.
Progress has been made in turning these methods into non-destructive analytical tools.
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