Nikolay Sigachev's research while affiliated with A.A. Trofimuk Institute of Petroleum Geology and Geophysics SB RAS and other places

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Publications (1)

Figure 1. Satellite image of the study area (the tailings dump is highlighted in a red frame).
Figure 2. Scheme of estimated tectonic faults (colored thick lines-communications of the processing plant with the tailings).
Figure 3. Ice-cemented carbonate breccia (core sample from the right abutment of the tailing dump).
Figure 4. Silurian limestones broken by fracture systems.
Figure 5. Scheme of measurements by the TEM method along the profile. 1-generator loop, 2-induction sensors with meters, 3-current switch and laptop, 4-profile, 5-direction of movement along the profile, dotted line-profile line.

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Engineering and Geophysical Research of the Tailing Dump under the Conditions of Growing Soils of the Base
  • Article
  • Full-text available

March 2023

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72 Reads

Applied Sciences

Kristina Tulisova

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Nikolay Sigachev

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[...]

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Tatyana Kuleshova

The relevance of the work is due to the risks of an uncontrolled increase in circulating water leaks through sides and bed of the dam, caused by thawing of permafrost soils in the Far North. The main aim of the work is to scientifically substantiate a set of engineering measures to reduce filtration consumption and restore and maintain the waterproofing of the tailing dump. The object of the study was the tailing dump of the concentration plant, with adjoining filter walls. The tailing dump has been exploited since 1996; for the last 20 years, circulating water leaks into the shunting tank located below were recorded. Within the water area of the tailing dump and at the landfalls, geophysical surveys were carried out from ice by the TEM (transient electromagnetic) method. The obtained geoelectric sections made it possible to form a holistic view of the structure of the filtration zones in the right and left bank junctions. The data obtained will be used for planning anti-filtration arrangement.

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