Subsurface Soil Monitoring via Acoustic Emissionby Robert M. Koerner, Drexel Univ, Philadelphia, PA, USA,
Arthur E. Lord, Jr., Drexel Univ, Philadelphia, PA, USA,
Abstract: 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: Field tests | Grouting | Emissions | Subsurface environment | Laboratory tests | Material tests | Acoustic techniques | Soil tests
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