GPR Water Leakage Detection During Building and Exploitation of Underground Constructions

Набатов, В. В.; Gaysin, R.M.; Nikolenko, P. V.

doi:10.25018/0236-1493-2017-7-0-161-167

Cited by 1 publication

(2 citation statements)

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“…Encouraging results were obtained in IGD of North SB RAS [1][2][3][4][5][6][7][8][9]. It is proposed to use wavelet transformations that include analysis of the signal measured by the GPR at different frequencies and scales when interpreting geo-radar data [1].…”

Section: Introductionmentioning

confidence: 99%

“…However, it should be noted that when interpreting GPR profiles, the authors did not take into account the above factors that significantly affect the informative value of the GPR method [5,6]. In [7,8] the results of using the OKO-2 GPR with the AB-1200 antenna unit are presented. The main problem was the strong influence on the results of probing cavities filled with water with high conductivity.…”

Section: Introductionmentioning

confidence: 99%

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Theoretical Justification for the One-Dimensional Geolocation Method

et al. 2020

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In this article we will discus the usage feature of the ground penetrating radar (GPR) for the solution underground geotechnologies problems. One of the main problems by the usage GPR method is that the surface of the workings is shielded by metal elements of support (frames, fittings, tightening and other). In this article we suggest to use one- dimensional GPR-scanning method instead of traditional GPR-profiling method. We assume that the scanning will be performed on the development contour in areas free from shielding. For justification one- dimensional GPR method we propose a mathematical model for the propagation of an electromagnetic signal in an inhomogeneous medium based on classical equations of electrodynamics. We also present a numerical implementation of it, which confirms the validity of the accepted problem statement.

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