Research Article
May 1978
Acoustic Emission Monitoring of Soil Stability
Publication: Journal of the Geotechnical Engineering Division
Volume 104, Issue 5
Abstract
Seventeen sites monitored for acoustic emission are described, including twelve earth dams, two surcharge fills, two embankments and one man-made reservoir where seepage was detected. The results from all sites lead to the following generalizations. Soil masses can deform and consequently will produce acoustic emissions which exceed background noise levels. Soil masses which generate no acoustic emissions are probably not deforming, and are in a state of equilibrium. Soil masses generating moderate levels of acoustic emissions (10 counts/min to 100 counts/min) are marginally stable and require continued monitoring. Soil masses generating high levels of acoustic emissions (100 counts/min to 500 counts/min) are actively deforming and unstable, requiring immediate remedial action. Soil masses generating very high levels of acoustic emissions (greater than 500 counts/min) are in, or are very near a failure state.
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Information
Published In
Journal of the Geotechnical Engineering Division
Volume 104 • Issue 5 • May 1978
Pages: 571 - 582
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: May 1978
Published online: Feb 11, 2021
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Authors
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Robert M. Koerner, M.ASCE
Prof. of Civ. Engrg.; Drexel Univ., Philadelphia, Pa
W. Martin McCabe
Grad. Research Asst.; Dept. of Civ. Engrg., Drexel Univ., Phildelphia, Pa
Arthur E. Lord Jr.
Prof. of Physics; Drexel Univ., Philadelphia, Pa
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.