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D. Yu. Vlasov
D. Yu. Vlasov
Saint-Petersburg State University
Saint-Petersburg State University
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Articles

Modern methods and systems for indication and monitoring of environmental components
  • Date submitted
    2016-11-03
  • Date published
    2013-04-01

Influence of some geoecological factors on destruction of concrete constructions of Cheboksary hydroelectric power plant

The short characteristic of engineering-geological and hydrological conditions of the  grounds of concrete constructions is given. Factors of formation of ecological conditions in a benthonic zone of a water basin of Cheboksary hydroelectric power plant are analyzed. Dynamics of change of activity and number of microorganisms in water and bed deposits of a water basin is considered. Results of specialized shooting in dry footway about a condition of concrete of a hydroelectric power plant building of and an overflow dam in 2010-2011 are stated, the comparative estimation of microbiological activity which promotes development of the vigorous activity of biocorrosion of concrete and metals is  spent.  It is shown  high  microbes prevalence  the materials applied to repair work (seals of various defects in concrete designs).

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R. E. Dashko, N. A. Perevoshchikova, D. Yu. Vlasov (2013) Influence of some geoecological factors on destruction of concrete constructions of Cheboksary hydroelectric power plant. Journal of Mining Institute. Vol 203. p. 160.
Geology and metallogeny
  • Date submitted
    2016-11-10
  • Date published
    2013-01-01

Engineering-geological and geoecological aspects of a substantiation of long stability of concrete constructions of Cheboksary hydroelectric рower plant

Features of engineering-geological and hydrological conditions of the basis of concrete constructions are analyzed. Factors of formation of ecological conditions in a bottom zone of a water basin of Cheboksary hydroelectric power plant are analyzed. The maintenance and change  of activity and number of microorganisms in water and ground adjournment of a water basin is considered. Results of specialized shooting in dry gallery about a condition of concrete of a building of hydroelectric power plant and an spillway dike in 2010-2011 are stated, the comparative estimation of microbiological activity which promotes development of active biocorrosion of concrete and metals is  spent. 

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R. E. Dashko, N. A. Perevoshchikova, D. Yu. Vlasov (2013) Engineering-geological and geoecological aspects of a substantiation of long stability of concrete constructions of Cheboksary hydroelectric рower plant. Journal of Mining Institute. Vol 200. p. 185.
Geotechnology
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Geobiological and hydrogeochemical impact on underground escalator tunnel constructions determining intensification of corrosion material processes in Saint Petersburg

This paper discusses the geobiological and hydrogeochemical processes in St.-Petersburg underground space and their role in corrosion of escalator constructional materials. The special attention were attracted to the ecological conditions which are connected with organic, inorganic contaminants and microbiota transporting to soils and groundwater from leaking sewer system and also from zones of long existing cemeteries. A detailed study and numerical analyses of escalator tunnel constructional materials were carried out to reveal biological defeat and destruction of concrete and grey iron as a result of microbiota destructive activity.

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D. Yu. Vlasov, A. V. Shidlovskaya, O. Yu. Aleksandrova (2011) Geobiological and hydrogeochemical impact on underground escalator tunnel constructions determining intensification of corrosion material processes in Saint Petersburg. Journal of Mining Institute. Vol 190. p. 60.