Rationalization of the constructive form of towers with prestressed cables


Relevance. One of the main directions of development of mobile communication systems, radio engineering and telecommunication systems is the improvement of the structural form of the bearing supports, which will solve a number of practical tasks: to increase the coverage area, to ensure higher rates of data transmission speed and to ensure stable operation in an increasing number of users. These circumstances justify the relevance of research in this direction. Aims of research. Optimization of design solutions using parallel puffs, ensuring the possibility of erection and safe operation during the entire service life, which ensures that the requirements for strength, stability and deformations for such structures are met with minimal material consumption. Methods. For calculations, finite element methods are used for mathematical modeling using software and computing systems. To create linear models for numerical experiments, the method of mathematical planning of experiments was used. Results. The work of the towers of the proposed constructive solution is considered as supports for the placement of equipment of cellular operators using the example of a 42-meter tower. The method of mathematical planning of experiments was used to create a model line for numerical experiments. To establish the basic characteristics of the stress-strain state of the structures of the supports, a number of models were created and calculated in software packages, the basis of which is the finite element method. A comparative analysis of the effort in the delays determined by analytical calculation and the finite element method is performed. The analysis of changes in the stress-strain state of the towers from the influence of influencing factors, such as wind and icy-wind loads, the angle of deflection on the lower tier of the tower. By the criterion of minimum metal consumption and manufacturability of the construction of towers, rational overall dimensions of the tower were determined. The options for constructing the main junctions of the elements of the tower are proposed.

About the authors

Ivan R. Sitnikov

Volgograd State Technical University

Author for correspondence.
Email: alexandr_golikov@mail.ru
SPIN-code: 5244-5000

master student, Department “Building Structures, Foundations and Reliability of Structures”

28 Lenin Ave., Volgograd, 400131, Russian Federation

Alexander V. Golikov

Volgograd State Technical University

Email: alexandr_golikov@mail.ru
SPIN-code: 1369-7819

Cand. Tech. Sci., senior lecturer, Department “Building Structures, Foundations and Reliability of Structures”

28 Lenin Ave., Volgograd, 400131, Russian Federation


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Copyright (c) 2019 Sitnikov I.R., Golikov A.V.

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