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Sibirskii Zhurnal Industrial'noi Matematiki, 2016, Volume 19, Number 1, Pages 73–81
DOI: https://doi.org/10.17377/sibjim.2016.19.107
(Mi sjim913)
 

This article is cited in 1 scientific paper (total in 1 paper)

Diagnostics of anti-seepage screen at a tailings dam in permafrost based on the solution of an inverse problem by piezometric measurement data

L. A. Nazarova, L. A. Nazarov

Chinakal Institute of Mining SB RAS, 54 Krasnyi av., 630091 Novosibirsk
Full-text PDF (660 kB) Citations (1)
References:
Abstract: We suggest a nonlinear geomechanical model of rock mass in the vicinity of a tailings dam in the permafrost zone at the Kumtor Mine in the Kyrgyz Republic. The model takes into account information on the structure of the object and the data on the deformation, strength, thermophysical, and filtration characteristics of frozen and thawed ground, as well as on the seasonal oscillations of air temperature. The numerical experiments show that, under unchanged external conditions, rock mass properties, and the position of the neutral layer, the zero isotherm, separating the frozen and thawed rocks, attains a stationary position in 12–15 years after the filling of the tailings pond and that a slight rupture of the anti-seepage screen can result in a large damage zone in the dam. Synthetic data are used to illustrate the solvability of the boundary value inverse problem of finding the time and place of the rupture in the anti-seepage screen from piezometric measurements in a few observation holes.
Keywords: heat-and-mass transfer, stressed state, protection dam, permafrost, anti-seepage screen, finite element method, inverse problem.
Funding agency Grant number
Russian Foundation for Basic Research 14-05-90116
Received: 17.08.2015
English version:
Journal of Applied and Industrial Mathematics, 2016, Volume 10, Issue 1, Pages 106–114
DOI: https://doi.org/10.1134/S1990478916010129
Bibliographic databases:
Document Type: Article
UDC: 622.271
Language: Russian
Citation: L. A. Nazarova, L. A. Nazarov, “Diagnostics of anti-seepage screen at a tailings dam in permafrost based on the solution of an inverse problem by piezometric measurement data”, Sib. Zh. Ind. Mat., 19:1 (2016), 73–81; J. Appl. Industr. Math., 10:1 (2016), 106–114
Citation in format AMSBIB
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\paper Diagnostics of anti-seepage screen at a~tailings dam in permafrost based on the solution of an inverse problem by piezometric measurement data
\jour Sib. Zh. Ind. Mat.
\yr 2016
\vol 19
\issue 1
\pages 73--81
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\crossref{https://doi.org/10.17377/sibjim.2016.19.107}
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\jour J. Appl. Industr. Math.
\yr 2016
\vol 10
\issue 1
\pages 106--114
\crossref{https://doi.org/10.1134/S1990478916010129}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84961668513}
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  • This publication is cited in the following 1 articles:
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    Сибирский журнал индустриальной математики
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    References:72
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