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Vol 197
Pages:
191
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Tendencies in the change in physical and mechanical properties of the vendian clay formation (North Western edge of the Russian platform)

Authors:
V. G. Rumynin1
A. M. Nikulenkov2
About authors
  • 1 — E.M.Sergeev Inst. of Environmental Geology of the RAS, Saint Petersburg Div., Saint Petersburg State University
  • 2 — E.M.Sergeev Inst. of Environmental Geology of the RAS, Saint Petersburg Div., Saint Petersburg State University
Date submitted:
2011-09-29
Date accepted:
2011-11-26
Date published:
2012-03-01

Abstract

The study presents experimental results illustrating a certain tendencies in the change in physical and mechanical properties of the Vendian clay formations over depth. A comparative analysis of samples from different borehole intervals has arrived at significant coefficients of correlation for the parameters that characterize the degree of the clay water saturation, compaction, and consistency with depth (the elevation of the core-bore sample in the profile). The rock deformation and strength parameters also demonstrate a dependence on the depth. The deformation modulus and the shear strength of the clay increase with increase in the depth of sampling.

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References

  1. Дашко Р.Э. Инженерно-геологическая и геоэкологическая оценка нижнекембрийских синих глин как среды размещения радиоактивных отходов // Геоэкология. 2006. № 3. С.235-241.
  2. Ломтадзе В.Д. Физико-механические свойства нижнекембрийских глин северо-западной окраины Русской платформы // Зап. Ленинградского горного ин-та. 1958. Т.34. Вып.2. С.154-189.
  3. Недра России. Т.2. Экология геологической среды / Под ред. Н.В.Межеловского и А.А.Смыслова. СПб – М., 2002. 662 с.
  4. Протосеня А.Г., Огородников Ю.Н., Деменков П.А., Карасев М.А., Лебедев М.О., Потемкин Д.А., Козин Е.Г. Механика подземных сооружений. Пространственные модели и мониторинг. СПб, 2011. 355 с.

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