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SOIL AND ROCK SCIENCE

Methods for evaluating the parameters of the electric double layer in clayey soils

Авторы
Королёв Владимир АлександровичПрофессор кафедры инженерной и экологической геологии геологического факультета МГУ имени М.В. Ломоносова, д. г.-м. н.
Евтихов Макар ВладимировичМагистрант кафедры инженерной и экологической геологии, геологического факультета МГУ имени М. В. Ломоносова», Москва, Россия

Abstract: The parameters of the electric double layer (EDL) of clay particles (layer thickness, sign and magnitude of charge, surface charge density, etc.) determine the main physicochemical properties of soils, such as swelling, shrinkage, and diffusion-osmotic phenomena. In addition, they play a key role in the formation of structural bonds and the strength of coagulation contacts, which ultimately determine the deformation and strength characteristics of soils. Therefore, the development of simple and reliable methods for evaluating the parameters of the EDL in clayey soils is of great practical importance, including for engineering-geological studies and site investigations (surveys). In this regard, the paper analyzes the capabilities of modern methods for evaluating EDL parameters in clayey soils.
 

Keywords: clayey soils; electric double layer (EDL); electrophoresis; electroosmosis; surface conductivity; suspension effect.

DOI: 10.58339/2949-0677-2025-7-4-16-20

UDC: 624.131
 

For citation: Korolev V.A., Evtikhov M.V. Metody otsenki parametrov dvoinogo elektricheskogo sloja glinistykh gruntov [Methods for evaluating the parameters of the electric double layer in clayey soils] // Geoinfo. 2025. T. 7. № 4. S. 16–20. DOI:10.58339/2949-0677-2025-7-4-16-20 (in Rus.).
 

Funding: No information
 

Authors:
Korolev V.A.
DSc (Geology and Mineralogy), professor at the Department of Engineering and Ecological Geology, Faculty of Geology, Lomonosov Moscow State University, Moscow, Russia
 

Evtikhov M.V.
Master's student at the Department of Engineering and Ecological Geology, Faculty of Geology, Lomonosov Moscow State University, Moscow, Russia

 

References

 

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