Determination of soil creep deformations
https://doi.org/10.33979/2073-7416-2025-122-6-25-35
Abstract
Deformations of a clay soil sample are a consequence of shearing along sliding surfaces. The sliding surface front, moving in the loaded soil body, is slowed down by deformation heterogeneities. Overcoming the elastic resistance on them occurs with a displacement jump. Displacements on a group of deformation heterogeneities cooperatively manifest themselves in the form of a jump in the soil sample's settlement under compression. Deformational heterogeneities are represented, within the framework of a 2-component deformation model, by the largest rigid inclusions in the matrix of clay particles and microaggregates. The schematic diagram shows the relationship between the displacement of the sliding surface and the compression deformations of the sample, as well as the mechanism of stepwise settlement and the cyclicity of the settlement rate. The effect of stepwise settlement is observed both during the loading of the sample and during creep. Overcoming viscous friction in the clay matrix and elastic resistance on deformation heterogeneities causes the physical sliding surface to deviate from the surface of maximum tangential stresses, which creates the effect of internal friction.
About the Authors
M. B. Marinichev
Kuban State Agrarian University named after I.T. Trubilina
Russian Federation
Russian Federation
Marinichev Maxim B., doctor of technical sciences, associate professor, professor of the department of foundations and foundations
Krasnodar
P. A. Lyashenko
Kuban State Agrarian University named after I.T. Trubilina
Russian Federation
Russian Federation
Lyashenko Pavel Al., candidate of technical sciences, associate professor, professor of the department of foundations and foundations
Krasnodar
V. V. Denisenko
Kuban State Technological University
Russian Federation
Russian Federation
Denisenko Viktor V., сandidate of technical sciences, associate professor, associate professor of the department of cadastre and geoengineering
Krasnodar
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Review
For citations:
Marinichev M.B., Lyashenko P.A., Denisenko V.V. Determination of soil creep deformations. Building and Reconstruction. 2025;(6):25-35. (In Russ.) https://doi.org/10.33979/2073-7416-2025-122-6-25-35
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