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Improved Structural Monitoring with Acoustic Emission Pattern Recognition

Prine, David W. / Hopwood, Theodore II

Abstract A unique acoustic emission monitoring system originally developed for in process weld monitoring has been used to monitor fatigue crack growth in a highway bridge during normal traffic loading. The system was able to clearly and reliably detect the presence of fatigue cracks that were adjacent to a row of bolts. The results of the brief experiment show that the signal processing used in this AE system may allow drastic improvements in the ability of acoustic emission to reliably detect propagating bridge flaws under adverse conditions.

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Improved Structural Monitoring with Acoustic Emission Pattern Recognition

Prine, David W. / Hopwood, Theodore II

Abstract A unique acoustic emission monitoring system originally developed for in process weld monitoring has been used to monitor fatigue crack growth in a highway bridge during normal traffic loading. The system was able to clearly and reliably detect the presence of fatigue cracks that were adjacent to a row of bolts. The results of the brief experiment show that the signal processing used in this AE system may allow drastic improvements in the ability of acoustic emission to reliably detect propagating bridge flaws under adverse conditions.

Improved Structural Monitoring with Acoustic Emission Pattern Recognition

Prine, David W. / Hopwood, Theodore II

Abstract A unique acoustic emission monitoring system originally developed for in process weld monitoring has been used to monitor fatigue crack growth in a highway bridge during normal traffic loading. The system was able to clearly and reliably detect the presence of fatigue cracks that were adjacent to a row of bolts. The results of the brief experiment show that the signal processing used in this AE system may allow drastic improvements in the ability of acoustic emission to reliably detect propagating bridge flaws under adverse conditions.

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Title:

Improved Structural Monitoring with Acoustic Emission Pattern Recognition

Contributors:

Prine, David W. (author) / Hopwood, Theodore II (author)

Published in:

Bridge Evaluation, Repair and Rehabilitation ; 187-199

NATO ASI Series ; 187

Publication date:

1990-01-01

Size:

13 pages

ISBN:

978-94-009-2153-5 , 978-94-010-7469-8

ISSN:

DOI:

https://doi.org/10.1007/978-94-009-2153-5_14

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Acoustic Emission , Flaw Detection , Acoustic Emission Signal , Acoustic Emission Event , Acoustic Emission Activity Engineering , Building Construction , Civil Engineering , Characterization and Evaluation of Materials

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