Methodology for Sizing the External Borders of Cutting Areas when Their Development by Balloon Cable Systems

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UDС

634.0.372:629.733.34

DOI:

10.37482/0536-1036-2020-2-81-100

Abstract

Currently, the issue of introducing technologies that meet modern environmental requirements into the logging process is put into sharp relief in the forest industry. Such technologies can include air transport, in particular balloon installations, the introduction of which requires further research relating to the influence of weather and landscape conditions on the operation process. The article presents the results of practical and theoretical studies aimed at improving the functionality of balloon logging systems while processing forest areas of different configuration. It was found that the wind load influence is the crucial factor, which adversely affects the balloon as well as haulback line cables. We have developed a methodology and a computer program for determining the dimensions of the external borders of the operational forest area, which allow to install ground winches or border units of the cable system at a distance that provides access to previously inaccessible points of the forest area for the load-gripping mechanism. The output of the program can be represented in the tabular and the graphical forms, which makes it possible to manipulate the loads in the cables and, simultaneously, find the overall dimensions of the external borders of the site. The developed algorithm for determining the optimal dimensions of the external borders of the forest exploitation site allows to provide load distribution between the three haulback line cables of the balloon cable system. This will increase the handling and stability of the entire system, and, respectively, ensure the availability of the load gripping mechanism at any point of the processed forest exploitation site by eliminating non-operating zones.

Authors

A.V. Abuzov, Doctor of Engineering, Prof.; ORCID: https://orcid.org/0000-0003-1082-9392
P.B. Ryabukhin, Doctor of Engineering, Prof.; ORCID: https://orcid.org/0000-0003-1735-1942

Affiliation

Pacific National University, ul. Tikhookeanskaya, 136, Khabarovsk, 680042, Russian Federation; e-mail: ac-systems@mail.ru, PRyabukhin@mail.khstu.ru

Keywords

balloon logging, balloon cable system, cable tension, borders of a cutting area, perimeter of a cutting area

For citation

Abuzov A.V., Ryabukhin P.B. Methodology for Sizing the External Borders ofCutting Areas when Their Development by Balloon Cable Systems. Lesnoy Zhurnal [Russian Forestry Journal], 2020, no. 2, pp. 81–100. DOI: 10.37482/0536-1036-2020-2-81-100

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Received on June 21, 2019