Regularities of the stress state of the rock massif around the single-vault station under construction by NATM

نویسندگان

چکیده

Abstract Subway stations are underground facilities of high responsibility. The use new construction technologies requires their scientific justification. single-vault station “Teatralna” the Dnipro Metro is designed as one that under by New Austrian tunneling method. Since this type a working large cross-section, it necessary to determine stress state rock massif, which affects temporary fastening. finite-element model developed, shows stages cross-section opening. developed reproduces layout subway in massif and characteristics numerical analysis for six carried out. distributive features horizontal stresses asymmetry clarified. For first time, regularities around method obtained. It established maximum appears at stage opening lower left part cross-section.

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ژورنال

عنوان ژورنال: IOP conference series

سال: 2023

ISSN: ['1757-899X', '1757-8981']

DOI: https://doi.org/10.1088/1755-1315/1156/1/012009