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

Korolev V.A.

Профессор кафедры инженерной и экологической геологии геологического факультета МГУ имени М.В. Ломоносова, д. г.-м. н.

va-korolev@bk.ru

Evtikhov M.V.

Магистрант кафедры инженерной и экологической геологии, геологического факультета МГУ имени М. В. Ломоносова», Москва, Россия

emv649@yandex.ru

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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.

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

УДК: 624.131

Финансирование: Нет информации

Ссылка для цитирования: 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.)

Статья в РИНЦ: Нет информации

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

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