Abstract
Abstract In the proposed research there were evaluated the factors influencing the distribution of additional pressure from ground construction on the linings of the subway tunnels. In recent years, the Department of Tunnels and Subways of the Emperor Alexander I St. Petersburg State Transport University has provided scientific support for many capital construction projects with geotechnical calculations of the buildings under construction impact on subway structures, both using analytical methods and mathematical modeling. The existing analytical methods allow us to evaluate the change in the additional pressure in the ground massive without taking into account the tunnel construction, while in reality the tunnel construction significantly changes the stress-strain state of the ground massive in the vicinity of the excavation. This factor was considered as the most significant, and together with it, there were evaluated the influence of the tunneling method and the influence of the applied geomechanical soil model on the calculation results.
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