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Technique of compensation of endogenous factors in the control of hydrological objects in geotechnical systems

DOI 10.18127/j19997493-201804-05

Keywords:

N.V. Dorofeev – Ph.D.(Eng.), Associate Professor, Head of Department «Management and control in technical systems», Vladimir State University named after A.&N. Stoletovs
E-mail: dorofeevnv@yandex.ru
R.V. Romanov – Ph.D.(Eng.), Associate Professor, Department «Management and control in technical systems», Vladimir State University named after A.&N. Stoletovs
E-mail: romanov.roman.5@yandex.ru
G.S. Vasilev – Ph.D.(Eng.), Associate Professor, Department «Information and robotic systems», Belgorod State National Research University
E-mail: vasilievgleb@yandex.ru


The paper presents the method of compensation of endogenous factors on the results of local control of the hydrological environment in geotechnical systems. The proposed technique is used in geo-environmental monitoring systems for non-centralized water supply. based on geoelectric control methods and regression processing algorithms. The article describes the principle of organizing geo-environmental monitoring of non-centralized water supply, analyzes the influence of endogenous factors on the results of geo-environmental monitoring of non-centralized water supply using geoelectric methods of express control. When assessing the level of groundwater and rock deformations during hydrological monitoring, the main regime-forming factors, lunar-solar disturbances that directly affect the groundwater level and the deformation of rocks, are considered. As a result of the spectral analysis, the identified relationship between groundwater level fluctuations with daily and semi-diary tides was revealed. The relationship between groundwater level fluctuations with diurnal and semi-diurnal tides is manifested in an aquifer with low porosity. This dependence must be taken into account when modeling in order to eliminate endogenous interference with the results of geo-ecological monitoring of groundwater. The proposed technique was tested in the control of the aquifer in the Lake. Holy Nizhny Novgorod region. The results of the evaluation of the electrical conductivity parameters in samples of water samples taken from sources of non-centralized water supply p. Oka and its tributaries in the study area. The data of well observations and data obtained using the method of multi-frequency vertical electrical sounding in the water intake of the non-centralized water supply of the studied territory when testing the measuring system of hydrogeological control are given. Comparative analysis of the data shows that the discrepancy between the data of downhole observations and measurements using the considered method does not exceed 12%. As a result of the application of the proposed technique, it was possible to significantly reduce the endogenous effect on the results of geo-environmental monitoring. The estimated level of noise suppression for a geoelectric signal was 14.6 dB.

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