№82-11
Geological and tectonic factors affecting the technical condition of civil hydraulic structures
L. Rudakov1, https://orcid.org/0000-0001-7277-7220
I. Chushkina2,https://orcid.org/0000-0003-1251-6664
O. Orlinska3, https://orcid.org/0000-0003-3202-7577
D. Pikarenia1, https://orcid.org/0009-0004-8095-0846
1Dnipro State Agrarian and Economic University, Dnipro, Ukraine
2Dnipro University of Technology, Dnipro, Ukraine
3Branch for Physics of Mining Processes of the M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine, Dnipro, Ukraine
Coll.res.pap.nat.min.univ. 2025, 82:129-138
Full text (PDF)
https://doi.org/10.33271/crpnmu/82.129
ABSTRACT
Purpose.To substantiate the tectonic factor influencing the technical condition of civil hydraulic structures for agricultural purposes.
The methods. A modern complex of geophysical studies was applied using the methods of natural pulse electromagnetic field of the Earth and vertical electrical sounding, which include field measurements and analytical interpretation of geophysical data. The spatial position of the watering zones of soil dams was determined considering the pulse flux density of the magnetic component of the Earth's natural pulse electromagnetic field and the isoline pattern on the relevant maps. The depth of the zones was determined by geoelectric sections of the apparent electrical resistance of soils according to the standard procedure.
Findings. The paper analyses the location of regulating basins and main channels in relation to the tectonic features of various areas of the Dnipropetrovsk region. Based on the interpretation of geophysical data, a comparison was made of the spatial position of tectonic fractures and faults in the foundation of the Middle-Dnieper block of the Ukrainian Shield and the zones of fracturing and filtration of solutions through the soil dams of tailings ponds and reclamation retention basins.
The originality. It has been established that the degree of tectonic disturbance in the area where hydraulic structures are located directly affects the number, orientation and total length of filtration zones, resulting in a rise in the groundwater level in adjacent areas, thereby reducing environmental safety there.
Practical implementation. The tectonic factor of disruption of the integrity of earth dams makes it possible to more fully determine the overall technical condition of hydraulic structures and surrounding soil masses, predict hidden filtration areas and the spread of solutions, and develop both operational and long-term measures to improve their environmental and technical safety in order to reduce filtration losses of water from retention basins and main canals.
Keywords: retention basins, main channels, geophysical methods, soil dams, solution filtration, tectonic structure, cracks.
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