Bryakin I.V., Bochkarev I.V., Khramshin V.R. Multiplicated Method of Induction Sounding to Search for Underground Electrically Conductive Objects

DOI: 10.18503/1995-2732-2021-19-4-16-28

Abstract

Purpose. The aim of this paper is to develop and theoretically substantiate a new way of induction sounding, providing an increased sensitivity of the search for various electrically conductive subsurface objects (SO), for example underground cable lines and pipelines, as well as to develop an installation to implement the proposed method. Methods. When solving the tasks, the authors have used the electromagnetic sounding method, which consists in generating an alternating electromagnetic field, which scans the area under study, followed by the fixation of the SO presence by receiving the signal reflected from it. Results. The paper presents a new multiplicated method for searching SO, whose feature is that a radiating frame antenna is used not only to excite the primary magnetic field, but also simultaneously control the change in the electrical parameters of this antenna caused by the reradiated field from the SO. It has been proposed to use two asymmetric measuring channels (MC). The first MC sensor uses a frame antenna, and the resonant excitation mode is created in this channel, and the receiving ferrite magnetic antenna is used as the second MC sensor, which creates a magnetic amplifier mode. The paper contains a theoretical substantiation of the new method. A structural block diagram of a two-channel induction installation for remote sensing has been developed, a procedure for determining the depth of the SO and its identification has been described. Conclusion. The developed multiplicated method of induction sounding provides high search efficiency and identification of various SO. It provides increased sensitivity and accuracy of sounding, as well as a decrease in a magnetic antenna sensitivity threshold by several times, performing the function of the measuring transducer.

Keywords

Induction sounding, subsurface object, sounding installation, emitting frame antenna, resonant excitation mode, receiving ferrite magnetic antenna, measuring channel, magnetic amplifier.

For citation

Bryakin I.V., Bochkarev I.V., Khramshin V.R. Multiplicated Method of Induction Sounding to Search for Underground Electrically Conductive Objects. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2021, vol. 19, no. 4, pp. 16–28. https://doi.org/10.18503/1995-2732-2021-19-4-16-28

Ivan V. Bryakin – DrSc (Eng.), Professor, Institute of Mechanical Science and Automation of the National Academy of Sciences of the Kyrgyz Republic, Bishkek, Kyrgyz Republic. Email: This email address is being protected from spambots. You need JavaScript enabled to view it.. ORCID 0000-0001-7463-8072

Igor V. Bochkarev – DrSc (Eng.), Professor, Razzakov Kyrgyz State Technical University, Bishkek, Kyrgyz Republic. Email: This email address is being protected from spambots. You need JavaScript enabled to view it.. ORCID 0000-0002-9873-9203

Vadim R. Khramshin – DrSc (Eng.), Professor, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia. Email: This email address is being protected from spambots. You need JavaScript enabled to view it.. ORCID 0000-0003-0972-2803

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