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Proceedings Paper

Performance of NDE methods in bridge inspection
Author(s): George Hearn; Hyung-seop Shim
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Paper Abstract

The relations between data from test methods and conditions in bridge elements are considered. NDE methods are joint applications of a test and a basis for interpretation of data obtained in the test. Correct assessments of conditions of elements depend on the inaccuracy and variability in test data and on the uncertainty of correlations between attributes (what is measured) and conditions (what is sought in the inspection). A full description of the performance of NDE methods considers the relation of test data to conditions of elements. The quality of the test itself is important, but equally important is the interpretation that occurs after the test. The effects of variability in test data and uncertainty in correlations of attributes and conditions are presented in three examples of field testing methods.

Paper Details

Date Published: 31 March 1998
PDF: 12 pages
Proc. SPIE 3400, Structural Materials Technology III: An NDT Conference, (31 March 1998); doi: 10.1117/12.300117
Show Author Affiliations
George Hearn, Univ. of Colorado/Boulder (United States)
Hyung-seop Shim, Univ. of Colorado/Boulder (United States)

Published in SPIE Proceedings Vol. 3400:
Structural Materials Technology III: An NDT Conference
Ronald D. Medlock; David C. Laffrey, Editor(s)

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