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THE METHOD OF THE CALIBRATION OF THE GEOELECTRIC SYSTEMS OF THE GEODYNAMIC CONTROL
Abstract
The placing engineering-technical objects lead to the necessity of the development and of the applying of the protective and of the preventive of measures in areas with increased geodynamics (karst, landslides, mudflows, etc.). One of the measures is the application of systems of the geodynamic control to prevent of the negative development of geodynamics. However, the development and the introduction of systems of this class are associated with the low methodological study of problems of the control of probabilistic geological processes, and of the calibration and of the assessment of metrological characteristics of existing systems of the geodynamic control and monitoring. In the article the questions are considered, which are devoted to the development, the research and the approbation of the new method of the mathematical modeling and full-scale tests of systems of the geoelectric control of geodynamic objects. The developed method assumes the creation of the effect of the presence of near-surface and deep heterogeneities by of additional points or extended sources. The problem of known methods of physical (full-scale) modeling of geoelectric sections is the rigid specification of the geometric and electrical parameters of the created volumetric and planar models of environments. A feature of the proposed method is the possibility of flexible variation of the field of the heterogeneity by the simply moving of additional sources, which is unattainable in the known methods of full-scale modeling. The executed mathematical modeling confirmed the high accuracy of the approximation of real geoelectric fields by model sources. The executed approbation of the method confirmed its effectiveness for the calibration of geoelectric systems of geodynamic control in full-scale tests of multi-pole electrolocation units in conditions of complex construction and the impact of industrial and climatic noises.
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