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Vol 186
Pages:
22-26
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RUS
Research article
Geology

The estimation features of vulnerability and desintegration оf subway construction materials in Saint Petersburg

Authors:
P. V. Kotyukov
About authors
  • post-graduate student Saint Petersburg State Mining Institute (Technical University)
Date submitted:
2009-08-19
Date accepted:
2009-10-02
Date published:
2010-02-01

Abstract

In this paper the features of subway construction materials degradation depending on engineering-geological, hydro-geological and geoecological conditions of Saint Petersburg underground space are considered. The basic types of subway construction placing and their destruction specificity depending on influence of water-bearing horizons hydrodynamic and hydro chemical conditions, natural and natural-technogenic gas bio-production and microbial activity are analyzed. The examples of the disintegrated materials and new growths (salt efflorescence, stalactites and others) chemical compound features depending on the content of ground waters basic components affecting on tunnels lining are resulted.

Keywords:
subway constructions engineering-geological and hydrogeological conditions upper Vendian clays paleo bottom-lands lower-kotlinskij aquifer construction materials corrosion geoecological conditions mikulinskie deposits biocorrosion
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References

  1. Дашко Р.Э. Влияние газогенерации в четвертичных отложениях Санкт-Петербурга на условия эксплуатации перегонных тоннелей метрополитена / Р.Э.Дашко, П.В.Котюков, Е.Ю.Шатская // Материалы годичной сессии Научного совета РАН по проблемам геоэкологии, инженерной геологии и гидрогеологии. М.: ГЕОС. 2008. Вып.10. С.208-213.
  2. Дашко Р.Э. Геоэкологические факторы формирования инженерно-геологических и геотехнических условий в подземном пространстве Санкт-Петербурга. / Р.Э.Дашко, Е.Н.Ковалева // Развитие городов и геотехническое строительство / НПО «Геореконструкция – Фундаментпроект». СПб, 2008. Т.4. С.491-496.
  3. Дашко Р.Э. Эволюция геоэкологического состояния подземного пространства Санкт-Петербурга / Р.Э.Дашко, Л.П.Норова, Е.С.Руденко // Разведка и охрана недр. 1998. № 7-8. С.57-59.

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