Strength assessment of tunnel lining considering soil conditions

At present, Tashkent city operates low-depth frame-type underground railway stations. There are currently no single-arch deep metro stations designed. As the city's economic potential and population density continue to grow, there is a pressing need to create deep stations. Consequently, it is necessary to calculate the strength of the lining while considering the surrounding soil. The authors propose a method for calculating the lining of a structure in accordance with the design standards for deep underground structures, which makes it possible to determine the strength of the most vulnerable areas. An example of calculating the lining of a single-arch deep “Beruniy-Karakamysh” metro station is given; it may be applicable in design. The calculation results for a specific station were presented to Tashkent Metroproject LLC for further use in the design of similar structures.

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