Free vibrations of a thin-walled two-layer pipeline, taking into account the effect of the longitudinal compressive force in a semi-underground laying
https://doi.org/10.31660/2782-232X-2022-2-47-57
Abstract
The article considers a cylindrical twolayer shell subjected to a longitudinal compressive force. An inhomogeneous cylindrical two-layer shell of finite length, consisting of a steel pipe and a protective reinforced concrete layer, was adopted as the calculation scheme. Based on the use of the assumptions of the theory of shells by Vasiliy Z. Vlasov, the equation of motion of the shell in efforts and displacements was obtained. A system of differential equations has been formed and solved taking into account the assumptions of this theory of cylindrical shells, the solution for determining the frequency of free vibrations taking into account the effect of internal working pressure, inhomogeneous ground pressure on the pipe wall and a longitudinal compressive force has been obtained.
Keywords
Supporting agencies: The research was supported financially by the Grant of the President of the Russian Federation for state support of young Russian scientists - candidates of sciences MK2681.2022.4 "Analytical methods for determining the dynamic characteristics of the thin-walled pipelines of large diameter in the "pipe-soil" environment under stationary and non-stationary effects".
About the Authors
V. G. Sokolov
Industrial University of Tyumen
Russian Federation
Russian Federation
Vladimir G. Sokolov, Doctor of Engineering, Associate Professor, Professor at the Department of Structural Mechanics
Tyumen
I. O. Razov
Industrial University of Tyumen
Russian Federation
Russian Federation
Igor’ O. Razov, Candidate of Engineering, Associate Professor, Head at the Department of Structural Mechanics
Tyumen
E. I. Lobodenko
Industrial University of Tyumen
Russian Federation
Russian Federation
Elena I. Lobodenko, Candidate of Physics and Mathematics, Associate Professor at the Department of Structural Mechanics
Tyumen
S. I. Volynets
Industrial University of Tyumen
Russian Federation
Russian Federation
Svyatoslav I. Volynets, Assistent at the Department of Building Constructions
Tyumen
References
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Review
For citations:
Sokolov V.G., Razov I.O., Lobodenko E.I., Volynets S.I. Free vibrations of a thin-walled two-layer pipeline, taking into account the effect of the longitudinal compressive force in a semi-underground laying. Architecture, Construction, Transport. 2022;(2):47-57. (In Russ.) https://doi.org/10.31660/2782-232X-2022-2-47-57
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