Analysis of the Calculated Prerequisites for the Geotechnical Forecast of New Construction on the Surrounding Buildings

Number of journal: 9-2022
Autors:

Ter-Martirosyan A.Z.,
Kivlyuk V.P.,
Isaev I.O.,
Shishkina V.V.

DOI: https://doi.org/10.31659/0044-4472-2022-9-57-66
УДК: 624.153

 

AbstractAbout AuthorsReferences
The construction of station complexes is carried out in an open way under the protection of various enclosing structures. There is a variety of pit fences that effectively prevent the displacement of the soil towards the workings in conjunction with the work of spacer systems. However, even with the correct design justification of the enclosing structures of open workings, this method of construction of underground and buried structures in any case has an impact on the surrounding buildings, structures and engineering communications. Assessment of the impact on the surrounding development from the production of works is an important task, since it is necessary to predict as accurately as possible additional movements of the soil mass outside the pit, and, in case of exceeding the maximum permissible values of buildings or structures, to develop effective emergency measures. In this article, the authors reviewed such factors of mathematical modeling in the Plaxis as a soil model, the scheme of computational modeling, the discretization of the finite element grid, modeling of stages of work, construction water reduction by wellpoints and an open drainage system, taking into account the strength and rigidity of contact elements. Additionally, the paper analyzes the methods of modeling the structural scheme of the building, studied the effect of the presence of a joint between the walls of the pit, compiled recommendations that can be taken into account when calculating the impact on buildings and structures from deep pits, and also noted the factors that have the greatest impact on the accuracy of calculations and the adequacy of the predicted results.
A.Z. TER-MARTIROSYAN1, Doctor of Sciences (Engineering), Vice-Rector (gic-mgsu @mail.ru);
V.P. KIVLYUK2, Executive Director (This email address is being protected from spambots. You need JavaScript enabled to view it.),
I.O. ISAEV2, Head of the Department (This email address is being protected from spambots. You need JavaScript enabled to view it.);
V.V. SHISHKINA1,2, Postgraduate Student, Lead Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)
2 Mosinzhproekt Joint Stock Company (10, Hodynsky Boulevard, Moscow, 125252, Russian Federation)

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For citation: Ter-Martirosyan A.Z., Kivlyuk V.P., Isaev I.O., Shishkina V.V. Analysis of the calculated prerequisites for the geotechnical forecast of new construction on the surrounding buildings. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2022. No. 9, pp. 57–66. (In Russian). DOI: https://doi.org/10.31659/0044-4472-2022-9-57-66


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