Scientific journal
Scientific Review. Technical science
ISSN 2500-0799
ПИ №ФС77-57440

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ESTIMATION OF THE STRESS-STRAIN STATE OF HEAVING SOIL DURING FREEZING IN NON ONE-DIMENSIONAL CONDITIONS

Melnikov A.V. 1 Sakharov I.I. 1
1 Saint-Petersburg State University of Architecture and Civil Engineering
To estimate the stress-strain state of heaving soil during freezing in non one-dimensional conditions the adaptation of well-known analytical method of Karlov V.D. was done on the base of experimental investigations. Karlov’s method was initially intended for one-dimensional problem solution. To achieve a goal the laboratory experiments on large-scale clay soil samples were made. As a result of laboratory tests the experimental parameters of frost heave were established depend on the temperature of freezing, number of freezing fronts and water migration conditions. The obtained analytical dependences make it possible to describe the stress-strain state of heaving soil in any conditions of a freezing and heave. The proposed method can be used for prediction of soil heaving forces and deformations in interaction with foundations in the regions with deep seasonal freezing.