Damage assessment in concrete using acoustic emission

C. Ouyang*, E. Landis, Surendra P Shah

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations

Abstract

An acoustic emission (AE) is a localized rapid release of strain energy in a stressed material. This energy release causes stress waves to propagate through the specimen. These acoustic emissions can be detected at the specimen surface and analyzed to deduce the nature of damage such as microcracking. AE techniques were used to characterize fracture of center-notched and off-center-notched concrete beams in this paper. AE event locations were recovered from the arrival time of AE signals. Orientation of the plane, location, size, and mode of movement (mode I, mode II, or mixed mode) of microcracks were determined using a moment tensor analysis.

Original languageEnglish (US)
Title of host publicationNondestructive Testing of Concrete Elements and Structures
PublisherPubl by ASCE
Pages13-24
Number of pages12
ISBN (Print)0872628876
StatePublished - Jan 1 1992
EventProceedings of Nondestructive Testing of Concrete Elements and Structures - San Antonio, TX, USA
Duration: Apr 13 1992Apr 15 1992

Other

OtherProceedings of Nondestructive Testing of Concrete Elements and Structures
CitySan Antonio, TX, USA
Period4/13/924/15/92

ASJC Scopus subject areas

  • Engineering(all)

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