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Yu. A. Norvatov
Yu. A. Norvatov

Articles

Geological support for Russia’s mineral resources development
  • Date submitted
    2014-08-09
  • Date accepted
    2014-10-20
  • Date published
    2015-02-01

Prediction of water inflows into mine workings in the process of combined open-underground ore mining operations

Article preview

An analysis of formation conditions of water inflows into mine workings during combined open-underground development of ore deposits was carried out. Characteristics of both natural and man-made hydro-geological structures in a copper -nickel ores «Zhdanov» deposit were identified. A method of prediction of water inflows into underground mine workings using nu-merical simulations was studied under complex hydrogeological conditions of «Zhdanov» deposit.

How to cite: Norvatov Y.A., Sergutin M.V. Prediction of water inflows into mine workings in the process of combined open-underground ore mining operations // Journal of Mining Institute. 2015. Vol. 212. p. 89.
Geotechnology for development of solid mining fields
  • Date submitted
    2011-11-21
  • Date accepted
    2012-01-15
  • Date published
    2012-05-01

Use of hydrogeomechanical monitoring during shielding tunnel for underground station оf Saint Petersburg subway «Admiralteiskaya»

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Are investigated results obtained during supervision over change of hydraulic pressure and soil’s deformation while shielding inclined tunnel with hydro-surcharge on the breast for Saint Petersburg underground station «Admiralteiskaya». Are defined characteristics of anthropogenic hydro geological structure generated while shielding glacial soils. Is offered methodology for estimation soil deformation taking into account anthropogenic cracks of stratification and compaction – decompaction processes of clay breeds while changing hydraulic pressures. Is presented an example of estimation deformations of soils influenced by shielding.

How to cite: Norvatov Y.A., Petrova I.B., Sergutin M.V. Use of hydrogeomechanical monitoring during shielding tunnel for underground station оf Saint Petersburg subway «Admiralteiskaya» // Journal of Mining Institute. 2012. Vol. 199. p. 84.
Geology
  • Date submitted
    2011-08-26
  • Date accepted
    2011-10-02
  • Date published
    2012-02-01

Control of the condition of the rock-mass condition using tansducers of hydrostatie pressure during mining escalator tunnel of «Admiralteiskaya» underground station

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In this article is shown the sequence of hydro-geological monitoring of the rock-mass condition while conducting mining works of «Admiralteiskaya» underground station escalator tunnel. Are revealed flow laws of underground water in natural conditions; is considered influence of atmospheric pressure on the hydrostatic one. Also are drawn preliminary conclusions of escalator tunnel mining (using hydro-cantledge) influence on pressures in rock-mass.

How to cite: Norvatov Y.A., Volodchenko K.E., Sergutin M.V. Control of the condition of the rock-mass condition using tansducers of hydrostatie pressure during mining escalator tunnel of «Admiralteiskaya» underground station // Journal of Mining Institute. 2012. Vol. 196. p. 23.
Problems in conservation of resources? mine surveying and wise erth's interior utilization
  • Date submitted
    2009-07-17
  • Date accepted
    2009-09-06
  • Date published
    2010-01-01

Hydrogeomechanical processes in flooding of mines

Article preview

Hydrodynamic and hydrogeomechanical processes which may occur during flooding of coal mines are considered. Original scheme – model of strain state of waterbearing undermined massif for estimation of uplift of earth surface was suggested.

How to cite: Norvatov Y.A., Petrova I.B. Hydrogeomechanical processes in flooding of mines // Journal of Mining Institute. 2010. Vol. 185. p. 231.
Hydrogeology, engineering geology
  • Date submitted
    2008-10-10
  • Date accepted
    2008-12-23
  • Date published
    2009-04-01

Modern methods of hydrogeological investigations in terms of prospecting of titanium-magnetic iron deposit «South-East Gremiakha»

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The paper considers the contemporary level of hydrogeological investigations during prospecting of deposits. It is suggested to use numerical modeling, sensors, computer programs for pumping tests. These methods are illustrated by prospecting of the South-East Gremiakha deposit.

How to cite: Norvatov Y.A., Petrova I.B., Petrov N.S., Tugarov I.V. Modern methods of hydrogeological investigations in terms of prospecting of titanium-magnetic iron deposit «South-East Gremiakha» // Journal of Mining Institute. 2009. Vol. 183. p. 210.
Problems of hydrogeological and engineering-geological conditions assessment in the development of territories
  • Date submitted
    2007-09-16
  • Date accepted
    2007-11-07
  • Date published
    2008-03-01

Hydrogeomechanical processes at flooding of coal mines

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Consideration is given to the stress state of rock mass under higher hydrostatic pressure in the flooded workings of the abandoned mines. One has obtained the criteria for assessment of potential movement of rock mass into the mined-out space. The basically new scheme has been suggested to form an estimate of raising the earth surface upon decompression of the fractured rock mass.

How to cite: Norvatov Y.A. Hydrogeomechanical processes at flooding of coal mines // Journal of Mining Institute. 2008. Vol. 176. p. 183-186.
Problems of hydrogeological and engineering-geological conditions assessment in the development of territories
  • Date submitted
    2007-09-24
  • Date accepted
    2007-11-01
  • Date published
    2008-03-01

Hydrogeological monitoring on the landslide slope site in Sochi

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To form an estimate of stress state of rock mass of a sliding-down slope, in the town of Sochi 10 observation stations – bore holes were built-up at the depth of 50-150 m with the arranged sensing elements for hydrostatic pressure measurements. According to the results of observations which were carried out for two years, the regularities of groundwater flow were established, and also the hydrogeological structure of the sliding-down slope was revised. The sensor readings indicated the slight changes in stress state of the low-permeable paleogenic rock and overlaying sedimentaries. The periodical movements of overlaying sedimentaries of clay composition are attributed to the seasonal variations of their physical and mechanical properties.

How to cite: Norvatov Y.A., Petrova I.B., Nazima V.V., Tugarov I.V. Hydrogeological monitoring on the landslide slope site in Sochi // Journal of Mining Institute. 2008. Vol. 176. p. 226-229.
Modern problems of geotechnical and hydrogeological surveys
  • Date submitted
    2002-06-09
  • Date accepted
    2002-07-13
  • Date published
    2003-01-01

Monitoring of hydrogeomechanical processes in the emergency section of the St. Petersburg subway

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The hydrodynamic regime is monitored by 90 hydrostatic pressure sensors placed at different depths in the heterogeneous thickness of quaternary deposits. Total, neutral and effective stresses along the route of projected tunnels were determined. Seasonal changes of hydrostatic pressures in the thickness and their connection with atmospheric pressure are estimated. The reaction of water-saturated massif to tunneling with bottom-hole hydroloading has been fixed.

How to cite: Norvatov Y.A., Petrova I.B., Nazima V.V., Rusanov I.V. Monitoring of hydrogeomechanical processes in the emergency section of the St. Petersburg subway // Journal of Mining Institute. 2003. Vol. 153. p. 194-195.
Modern problems of geotechnical and hydrogeological surveys
  • Date submitted
    2002-06-04
  • Date accepted
    2002-07-01
  • Date published
    2003-01-01

Rationale for the necessity of hydrogeoecological monitoring at the Leningrad oil shale deposit

Article preview

The necessity of organizing continuous monitoring of mine water quality and observation of the levels of formation of hydrochemical and hydrodynamic regimes of groundwater by creating a system of hydrogeoecological monitoring at the Leningrad oil shale deposit is considered. The goals and tasks of monitoring of mine and ground waters of the deposit are set out, the main stages of its planning and implementation are defined.

How to cite: Petrov N.S., Kutyaikina M.N., Norvatov Y.A., Petrova I.B. Rationale for the necessity of hydrogeoecological monitoring at the Leningrad oil shale deposit // Journal of Mining Institute. 2003. Vol. 153. p. 196-198.
Without section
  • Date submitted
    1975-08-26
  • Date accepted
    1975-10-27
  • Date published
    1976-02-01

Исследования возможностей проведения очистных горных работ с обрушением кровли под охраняемыми водоемами и водоносными горизонтами

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Практически повсеместным спутником добычи твердых полезных ископае­мых является преднамеренное или самопроизвольное осушение массивов гор­ных пород, резкое нарушение естественного режима водоносных горизонтов и поверхностных водоемов ...

How to cite: Strelskii F.P., Norvatov Y.A., Mironov A.S. // Journal of Mining Institute. 1976. Vol. № 2 70. p. 6.
Without section
  • Date submitted
    1975-08-16
  • Date accepted
    1975-10-27
  • Date published
    1976-02-01

Условия устойчивости и рекультивации гидроотвалов с учетом консолидации намывных пород

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Производство открытых горных работ в ряде районов сопровождается на­мывом гидроотвалов, которые часто располагаются на плодородных землях. Возврат территорий в сферу сельского хозяйства связан с продолжительно­стью консолидации намытых пород до состояния, обеспечивающего передвиже­ние по ним оборудования ...

How to cite: Kryachko O.Y., Norvatov Y.A., Godlevskaya G.I. // Journal of Mining Institute. 1976. Vol. № 2 70. p. 33.
Without section
  • Date submitted
    1964-08-13
  • Date accepted
    1964-10-12
  • Date published
    1965-02-01

О дренаже Лебединского карьера КМА

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Лебединское месторождение относится к Старо-Оскольской группе железорудных месторождений КМА. В районе месторождения развиты докембрийские кристаллические породы, перекрытые осадочными отло­жениями палеозойского и мезо-кайнозойского возраста. Желез­ные руды приурочены к верхней части докембрийских кристаллических образований и залегают на глубине 60—120 м. Вскрышная толща пред­ставлена (снизу — вверх): верхнеюрскими песчаными, местами пылева­тыми, глинами и глинистыми песками (мощность 0,5—25 м), апт-альбскими песками (мощность 20—35 м), мергельно-меловыми породами сантон-коньяк-туронского возраста (мощность 5—60 м) и четвертичными лёс­совидными суглинками (мощность 10—20 м) ...

How to cite: Mironenko V.A., Norvatov Y.A. // Journal of Mining Institute. 1965. Vol. № 2 48. p. 8.
Without section
  • Date submitted
    1964-08-07
  • Date accepted
    1964-10-13
  • Date published
    1965-02-01

Осушение карьеров при наклонном залегании водоносных пластов

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Широкое развитие открытых горных работ требует дифференцирован­ного подхода к принципам и методам осушения карьеров в зависимости от типа геологического строения месторождения. На специфику осушения наклонно залегающих пластов горных пород уже обращали внимание. Особенности осушения наклонно залегающих пластов водоносных пород определяются рядом гидрогеологических и инженерно-геологиче­ских факторов ...

How to cite: Mironenko V.A., Norvatov Y.A. // Journal of Mining Institute. 1965. Vol. № 2 48. p. 17.