List of products by author: G. Yegorov

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  Construction of Escalator Tunnels of the St. Petersburg Subway

  Abstract: The geotechnical conditions of construction of the St. Petersburg Subway are considered challenging. A mass of water-saturated Quaternary deposits extends for up to 40 m down from the surface. The soils are extremely unstable. Under the Quaternary deposits there is a thick stratum of dense and dry Proterozoic clays, in which interstation tunnels and concourses are constructed. The 20th century...

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