Effect of the Stress-Strain State of Sandy-Clay Soils on Their Thermally Stimulated Acoustic Emission

The thermally stimulated acoustic emission of samples of sandy-clay soils under a mechanical load was studied experimentally. The characteristics of the acoustic emission upon freezing and thawing of soils as a function of their content of clay and sandy particles as well as the magnitude of the loa...

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Bibliographic Details
Published in:Soil mechanics and foundation engineering 2017-05, Vol.54 (2), p.81-86
Main Authors: Novikov, E. A., Shkuratnik, V. L., Oshkin, R. O., Zaitsev, M. G.
Format: Article
Language:English
Subjects:
Acoustic emission testing
Acoustic measurement
Acoustics
Civil Engineering
Clay soils
Earth and Environmental Science
Earth Sciences
Emission analysis
Foundations
Freeze-thaw
Frozen ground
Geoengineering
Geotechnical Engineering & Applied Earth Sciences
Hydraulics
Maintenance management
Melting
Parameter identification
Rupture
Soil Mechanics
Soil stresses
Soils
Strain
Stress-strain relationships
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Summary:The thermally stimulated acoustic emission of samples of sandy-clay soils under a mechanical load was studied experimentally. The characteristics of the acoustic emission upon freezing and thawing of soils as a function of their content of clay and sandy particles as well as the magnitude of the load were determined. It was shown that different stages of the stress-strain state of soils can be identified according to the thermally stimulated acoustic emission parameters. A numerical thermo-acousto-emission criterion for evaluating the rupture rate of structural bonds in frozen soils upon their warming and the change of the stress state was developed.
ISSN:0038-0741
1573-9279
DOI:10.1007/s11204-017-9438-4