Static calculation of the bearing capacity of a two-pole membrane-rod system taking into account the air-bearing effect using the numerical Euler-Cauchy procedure
https://doi.org/10.21822/2073-6185-2021-48-4-159-170
Abstract
Objective. The purpose of this study is to create a light, sufficiently rigid bearing coating, which can be strengthened by the air-supporting effect during overloads during force majeure. These structures can be erected in a very short time, both in combat conditions and during natural disasters.
Method. The study was carried out in the software package "Program for calculating membrane-pneumatic structures by the step method using the numerical Euler-Cauchy procedure" according to the method of static calculation of membrane-pneumatic systems, taking into account non-linear factors.
Result. A method for calculating air-supported double-belt membrane-rod systems for covering large spans by the iterative method of parameter increments using FEM and the Euler-Cauchy numerical procedure of the third order of accuracy has been developed.
Conclusion. In design practice, the effect of strengthening the coating due to the air-supporting effect can approximately be taken equal to three. The use of the air-supported effect makes it possible to save significant funds, sometimes reaching up to 25% of the estimated cost of the structure due to the use of structural elements of a smaller section.
About the Authors
A. Yu. Kim
Yu.A. Gagarin Saratov State Technical University
Russian Federation
Russian Federation
Aleksey Yu.Kim, Dr.Sci. (Eng), Prof., Department of Building Materials, Structures and Technologies
77 Politekhnicheskaya Str., Saratov 410054
M. F. Amoyan
Yu.A. Gagarin Saratov State Technical University
Russian Federation
Russian Federation
Misha F. Amoyan, Postgraduate Student, Department of Building Materials, Structures and Technologies
77 Politekhnicheskaya Str., Saratov 410054
V. E. Khapilin
Yu.A. Gagarin Saratov State Technical University
Russian Federation
Russian Federation
Viktor E. Khapilin, Postgraduate Student, Department of Building Materials, Structures and Technologies
77 Politekhnicheskaya Str., Saratov 410054
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Review
For citations:
Kim A.Yu., Amoyan M.F., Khapilin V.E. Static calculation of the bearing capacity of a two-pole membrane-rod system taking into account the air-bearing effect using the numerical Euler-Cauchy procedure. Herald of Dagestan State Technical University. Technical Sciences. 2021;48(4):159-170. (In Russ.) https://doi.org/10.21822/2073-6185-2021-48-4-159-170
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