SYMPOSIA PAPER Published: 01 January 1999

Nondestructive Laboratory Measurement of Geotechnical and Geoacoustic Properties Through Intact Core-Liner


High-resolution automated measurement of the geotechnical and geoacoustic properties of soil at the U.S. Geological Survey (USGS) is performed with a state-of-the-art multi-sensor whole-core logging device. The device takes measurements, directly through intact sample-tube wall, of p-wave acoustic velocity, of soil wet bulk density, and magnetic susceptibility. This paper summarizes our methodology for determining soil-sound speed and wet-bulk density for material encased in an unsplit liner. Our methodology for nondestructive measurement allows for rapid, accurate, and high-resolution (1 cm-spaced) mapping of the mass physical properties of soil prior to sample extrusion.

Author Information

Kayen, RE
U.S. Geological Survey, Menlo Park, CA
Edwards, BD
U.S. Geological Survey, Menlo Park, CA
Lee, HJ
U.S. Geological Survey, Menlo Park, CA
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Developed by Committee: D18
Pages: 83–94
DOI: 10.1520/STP13311S
ISBN-EB: 978-0-8031-5400-1
ISBN-13: 978-0-8031-2493-6