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E. Yu. Shatskaya
E. Yu. Shatskaya
Research assistant
G.V. Plekhanov Saint Petersburg Mining University
Research assistant
G.V. Plekhanov Saint Petersburg Mining University

Articles

Geology
  • Date submitted
    2008-09-24
  • Date accepted
    2008-11-06
  • Date published
    2009-03-01

Analysis and assessment of natural and technogenic factors of corrosion aggressiveness formation in the underground environment of St. Petersburg in relation to building materials

Article preview

In the paper the basic factors defining formation corrosive aggression in the deep underground tunnel. On the basis of the lead inspections in underground developments is executed the systematization of the basic forms of destruction. The composition of the water extracts prepared from destroyed concrete was investigated. Definitions of number and species of micro-organisms are executed. By results of experimental researches it is drawn a conclusion on a role of biocorrosion in destruction tubing and a waterproofing lining.

How to cite: Shatskaya E.Y. Analysis and assessment of natural and technogenic factors of corrosion aggressiveness formation in the underground environment of St. Petersburg in relation to building materials // Journal of Mining Institute. 2009. Vol. 182. p. 50-53.
Geology
  • Date submitted
    2006-11-02
  • Date accepted
    2007-01-16
  • Date published
    2007-05-01

Influence of engineering-geological and geo-ecological conditions on development of deformations and destruction of underground structures lining in St. Petersburg

Article preview

The paper dwells on the influence of confined waters of the Nizhnekotlinsk aquifer, creating favorable conditions for microbiota development and its aggressive impact on construction materials. The main destruction forms have been classified basing on the research carried out in underground workings. Composition of water extracts prepared from destroyed concrete and various types of new growth have been investigated. A conclusion is drawn about the role of biocorrosion in destruction of tubing and a damp-proof lining based on the results of experimental research.

How to cite: Shatskaya E.Y. Influence of engineering-geological and geo-ecological conditions on development of deformations and destruction of underground structures lining in St. Petersburg // Journal of Mining Institute. 2007. Vol. 173. p. 33-37.
Geomechanics
  • Date submitted
    2006-10-27
  • Date accepted
    2006-12-29
  • Date published
    2007-04-01

Some data on the causes of structural failure of underground structures in St. Petersburg

Article preview

The main natural and anthropogenic factors determining the nature and mechanics of fractures of deep underground tunnel structures lining are considered. On the basis of the conducted research in underground excavations the systematization of the main forms of destruction is carried out. The composition of water extracts prepared from the destroyed concrete and various forms of neoplasms was investigated. Determination of the number and types of microorganisms - micro-mycetes, bacteria and actinomycetes - was carried out. Based on the results of experimental studies, a conclusion is made about the role of biocorrosion in the destruction of tubing and waterproofing jacket. Particular attention is paid to the impact of pressure water of the Lower Kotlin aquifer, which creates favorable conditions for the development of microbiota and its aggressive effect on structural materials.

How to cite: Dashko R.E., Shatskaya E.Y., Vlasov D.Y. Some data on the causes of structural failure of underground structures in St. Petersburg // Journal of Mining Institute. 2007. Vol. 172. p. 69-73.