ASSESSMENT OF DEVELOPMENT OF WATER CONDUCTING FRACTURES ZONE IN THE MASSIF OVER CROWN OF ARCH OF TUNNELING (CONSTRUCTION)

Journal: International Journal of Civil Engineering and Technology (IJCIET) (Vol.10, No. 2)

Publication Date: 2019-03-18

Authors : Gusev V. N Maliukhina E.M Volokhov E.M Tyulenev M. A; Gubin M. Y;

Page : 635-643

Keywords : water conducting fractures zone; boundary curvature; metro tunneling;

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Abstract

The hydrogeological conditions for the construction of the subway in St. Petersburg are complex. To avoid water flow in the tunnel, it is necessary to calculate the height of water conducting fractures zone for massif. The article considers the geological structure of the soil in St. Petersburg, the value of the boundary curvature for the massif is calculated. The thickness of the sediments with disturbed water resistance was determined, and the dangerous sections of the tunnel under construction in the NevskoVasileostrovskaya line are indicated.

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ASSESSMENT OF DEVELOPMENT OF WATER CONDUCTING FRACTURES ZONE IN THE MASSIF OVER CROWN OF ARCH OF TUNNELING (CONSTRUCTION)

Abstract

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