Subsurface Soil Monitoring via Acoustic Emission

by Robert M. Koerner, Drexel Univ, Philadelphia, PA, USA,
Arthur E. Lord, Jr., Drexel Univ, Philadelphia, PA, USA,

Document Type: Proceeding Paper

Part of: Use of In Situ Tests in Geotechnical Engineering


Included in this paper is an overview of acoustic emission (AE) monitoring and a brief review of past applications. Focus is then placed on two in-situ geotechnical applications; preconsolidation pressure evaluation and the location of subsurface grout movement. The preconsolidation pressure study was done at six different field sites and resulted in data which was reasonably substantiated by laboratory tests. The location of subsurface grout movement has only been done on small scale, but appears to be technically feasible and ready for full scale evaluation.

Subject Headings: Acoustics | Subsurface investigation | Emissions | Field tests | Grouting | Subsurface environment | Laboratory tests | Material tests

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