Method of finding the value of horizontal pressure on the excavation enclosure
https://doi.org/10.22227/2305-5502.2025.1.3
Abstract
Introduction. A method for determining the lateral pressure on the excavation enclosure is proposed, which is based on the analysis of the stress state of the retained soil mass. It can be used both for non-cohesive and cohesive soils, for homogeneous or non-homogeneous structure of the retained mass, both with and without loads on its surface.
Materials and methods. Materials published by Russian and foreign scientists were used for comparative calculations, where the results of analyses, experiments and theoretical studies are given. All calculations are performed in the shell of the computer programme “Stability”, in which the determination of stress fields is carried out by the finite element method in a linear formulation.
Results. It was found that all the calculated values of lateral pressure with a sufficient degree of accuracy (for experimental studies) coincide with the corresponding values given in the cited works. The lateral pressure values obtained by the authors of the presented paper turned out to be 25–40 % less than the similar results given by the cited authors. The forms of the lateral pressure plots constructed by the authors of each of the cited works are congruent to the lateral pressure plots based on the proposals made in the paper. The difference between the numerical values of the lateral pressure obtained by the authors of the cited works and the values obtained by us is explained by the difference in approaches to the construction of the sliding
surface: in our case, the hypothesis of its flat shape is not used, but its construction is based on the analysis of stress fields taking into account the physical and mechanical properties of the soil.
Conclusions. Taking into account the satisfactory convergence of the compared results, we consider it possible to conclude that the announced method can be used in engineering calculations.
About the Authors
A. N. Bogomolov
JSC “NPEC O&F”
Russian Federation
Russian Federation
Aleksandr N. Bogomolov — Doctor of Technical Sciences, Professor
15 Televizionnaya st., Novosibirsk
O. A. Bogomolova
Volgograd State Technical University (VSTU)
Russian Federation
Russian Federation
Oksana A. Bogomolova — Candidate of Technical Sciences, Associate Professor of the Department of Mathematics and Natural Science Disciplines
28 Lenin Avenue, Volgograd, 400005
S. A. Bogomolov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Sergey A. Bogomolov — Candidate of Technical Sciences, Associate Professor of the Department of Agricultural Construction and Expertise of Real Estate Objects
49 Timiryazevskaya st., Moscow, 127434
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Review
For citations:
Bogomolov A.N., Bogomolova O.A., Bogomolov S.A. Method of finding the value of horizontal pressure on the excavation enclosure. Construction: Science and Education. 2025;15(1):27-37. (In Russ.) https://doi.org/10.22227/2305-5502.2025.1.3
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